Weather archive in Porto Alegre (airport)
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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 September 20, Sunday | 15 | 28.6 83 | 751.9 29.6 1002.45 1002.45 | 752.7 29.63 1003.52 1003.52 | 65 | Wind blowing from the west-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 60%. 6/10. 5 oktas | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.3 70 | ||||||||||||||
09 | 19.8 68 | 755.0 29.72 1006.58 1006.58 | 1.2 0.05 1.6 1.6 | 90 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 17.7 64 | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 9.0 5.6 | 18.1 65 | 14.0 0.55 | 24 | ||||||||||||
06 | 17.8 64 | 753.8 29.68 1004.98 1004.98 | 754.6 29.71 1006.05 1006.05 | 94 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | Rain. | Drizzle. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 50-100 164-328 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.5 2.2 | 16.8 62 | ||||||||||||
03 | 17.8 64 | 753.7 29.67 1004.85 1004.85 | 754.6 29.71 1006.05 1006.05 | -2.3 -0.09 -3.07 -3.07 | 93 | Wind blowing from the east | 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. | Thunderstorm(s) with or without precipitation. | Rain. | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 100-200 328-656 | 4.5 2.8 | 16.7 62 | 8.0 0.31 | 6 | |||||||||||
00 | 17.7 64 | 756.0 29.76 1007.92 1007.92 | 756.8 29.8 1008.98 1008.98 | 92 | Wind blowing from the east | 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. | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 100%. 10/10. 8 oktas | 100-200 328-656 | 4.0 2.5 | 16.4 62 | ||||||||||||||
| September 19, Saturday | 21 | 17.9 64 | 758.1 29.85 1010.72 1010.72 | 758.9 29.88 1011.78 1011.78 | 91 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | Rain, not freezing, continuous, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 19.4 67 | 4.0 2.5 | 16.4 62 | 2.0 0.08 | 6 | |||||||||||||
15 | 19.0 66 | 759.7 29.91 1012.85 1012.85 | 760.5 29.94 1013.92 1013.92 | -2.4 -0.09 -3.2 -3.2 | 88 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 200-300 656-984 | 7.0 4.4 | 17.0 63 | 4.0 0.16 | 6 | ||||||||||||||