Weather archive in Santa Rosa
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 July 24, Friday | 20 | 9.4 49 | 745.6 29.35 994.05 994.05 | 763.0 30.04 1017.25 1017.25 | 0.2 0.01 0.27 0.27 | 89 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 7.7 46 | |||||||||||||
19 | 10.4 51 | 745.3 29.34 993.65 993.65 | 762.7 30.03 1016.85 1016.85 | -0.1 -0 -0.13 -0.13 | 88 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 8.4 47 | ||||||||||||||
18 | 13.6 56 | 745.4 29.35 993.79 993.79 | 762.7 30.03 1016.85 1016.85 | -0.3 -0.01 -0.4 -0.4 | 75 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 9.3 49 | ||||||||||||||
17 | 15.4 60 | 745.4 29.35 993.79 993.79 | 762.7 30.03 1016.85 1016.85 | -1.1 -0.04 -1.47 -1.47 | 64 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 8.6 47 | ||||||||||||||
16 | 15.6 60 | 745.4 29.35 993.79 993.79 | 762.6 30.02 1016.72 1016.72 | -1.5 -0.06 -2 -2 | 66 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 9.3 49 | ||||||||||||||
15 | 15.2 59 | 745.7 29.36 994.19 994.19 | 763.0 30.04 1017.25 1017.25 | -1.5 -0.06 -2 -2 | 70 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | State of sky on the whole unchanged. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 9.7 49 | No precipitation No precipitation | 6 | |||||||||
14 | 13.7 57 | 746.5 29.39 995.25 995.25 | 763.8 30.07 1018.32 1018.32 | -0.6 -0.02 -0.8 -0.8 | 78 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Mist. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 100-200 328-656 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 20.0 12.4 | 9.9 50 | |||||||||||
13 | 10.5 51 | 746.9 29.41 995.79 995.79 | 764.4 30.09 1019.12 1019.12 | -0.2 -0.01 -0.27 -0.27 | 90 | Wind blowing from the north-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | 100-200 328-656 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 10.0 6.2 | 8.9 48 | |||||||||||
12 | 8.6 47 | 747.2 29.42 996.18 996.18 | 764.8 30.11 1019.65 1019.65 | 0.6 0.02 0.8 0.8 | 99 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog. | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 100%. 10/10. 8 oktas | 50-100 164-328 | 1.8 1.1 | 8.4 47 | |||||||||||||
11 | 7.7 46 | 747.1 29.41 996.05 996.05 | 764.6 30.1 1019.38 1019.38 | 1.1 0.04 1.47 1.47 | 100 | Wind blowing from the north-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog or ice fog, sky invisible (has become thinner during the preceding hour). | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | 0.2 0.1 | 7.7 46 | ||||||||||||||||
10 | 7.5 46 | 747.1 29.41 996.05 996.05 | 764.6 30.1 1019.38 1019.38 | 1.8 0.07 2.4 2.4 | 100 | Wind blowing from the west-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog or ice fog, sky invisible, no appreciable change during the preceding hour. | Fog or ice fog or thick haze. | Fog or ice fog or thick haze. | 0.1 0.06 | 7.5 46 | ||||||||||||||||
09 | 7.5 46 | 746.6 29.39 995.39 995.39 | 764.1 30.08 1018.72 1018.72 | 1.6 0.06 2.13 2.13 | 100 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour. | Rain. | Fog or ice fog or thick haze. | 6.8 44 | 9.4 49 | 0.1 0.06 | 7.5 46 | Trace of precipitation Trace of precipitation | 24 | ||||||||||||
08 | 7.6 46 | 746.0 29.37 994.59 994.59 | 763.5 30.06 1017.92 1017.92 | 1.2 0.05 1.6 1.6 | 100 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 0.4 0.3 | 7.6 46 | ||||||||||||||||
07 | 8.0 46 | 745.3 29.34 993.65 993.65 | 762.7 30.03 1016.85 1016.85 | 0.6 0.02 0.8 0.8 | 97 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 100%. 10/10. 8 oktas | 50-100 164-328 | 5.0 3.1 | 7.6 46 | |||||||||||||
06 | 8.1 47 | 745.0 29.33 993.25 993.25 | 762.4 30.02 1016.45 1016.45 | 0.0 0 0 0 | 99 | Wind blowing from the north-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog. | Rain. | Fog or ice fog or thick haze. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 100%. 10/10. 8 oktas | 50-100 164-328 | 8.0 5.0 | 7.9 46 | |||||||||||||
05 | 8.0 46 | 744.8 29.32 992.99 992.99 | 762.2 30.01 1016.18 1016.18 | -0.3 -0.01 -0.4 -0.4 | 99 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Rain. | Fog or ice fog or thick haze. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | 50-100 164-328 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.5 0.3 | 7.8 46 | |||||||||||
04 | 8.3 47 | 744.7 29.32 992.85 992.85 | 762.1 30 1016.05 1016.05 | -0.3 -0.01 -0.4 -0.4 | 99 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 50%. 5/10. 4 oktas | 100-200 328-656 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 8.0 5.0 | 8.1 47 | ||||||||||||
03 | 8.6 47 | 745.0 29.33 993.25 993.25 | 762.3 30.01 1016.32 1016.32 | -0.1 -0 -0.13 -0.13 | 97 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 60%. 6/10. 5 oktas | 100-200 328-656 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.2 47 | No precipitation No precipitation | 6 | |||||||||||||
02 | 8.9 48 | 745.1 29.33 993.39 993.39 | 762.5 30.02 1016.58 1016.58 | 0.4 0.02 0.53 0.53 | 97 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.5 47 | |||||||||||||||
01 | 9.0 48 | 745.0 29.33 993.25 993.25 | 762.3 30.01 1016.32 1016.32 | 0.5 0.02 0.67 0.67 | 97 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 40%. 4/10. 3 oktas | 100-200 328-656 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.6 47 | |||||||||||||||
00 | 9.0 48 | 745.1 29.33 993.39 993.39 | 762.5 30.02 1016.58 1016.58 | 0.7 0.03 0.93 0.93 | 96 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | 100-200 328-656 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.4 47 | |||||||||||||||
| July 23, Thursday | 23 | 9.2 49 | 744.7 29.32 992.85 992.85 | 762.1 30 1016.05 1016.05 | 0.8 0.03 1.07 1.07 | 95 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.4 47 | ||||||||||||||
22 | 9.3 49 | 744.5 29.31 992.59 992.59 | 762.0 30 1015.92 1015.92 | 0.6 0.02 0.8 0.8 | 94 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 8.3 47 | |||||||||||||||
21 | 9.4 49 | 744.4 29.31 992.45 992.45 | 761.8 29.99 1015.65 1015.65 | 1.1 0.04 1.47 1.47 | 92 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 6.9 44 | 12.1 54 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 8.2 47 | No precipitation No precipitation | 6 | ||||||||||
20 | 10.1 50 | 743.9 29.29 991.79 991.79 | 761.3 29.97 1014.98 1014.98 | 0.4 0.02 0.53 0.53 | 88 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 8.1 47 | ||||||||||||||