Weather archive in Chennai / Meenambakkam (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 21, Monday | 05:30 | 26.2 79 | 754.7 29.71 1006.18 1006.18 | 756.0 29.76 1007.92 1007.92 | -0.6 -0.02 -0.8 -0.8 | 90 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Haze. | Drizzle. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 4.0 2.5 | 24.5 76 | ||||||||||
02:30 | 26.0 79 | 755.3 29.74 1006.98 1006.98 | 756.7 29.79 1008.85 1008.85 | -1.4 -0.06 -1.87 -1.87 | 92 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | State of sky on the whole unchanged. | Drizzle. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 4.0 2.5 | 24.6 76 | |||||||||||
| September 20, Sunday | 23:30 | 27.8 82 | 756.7 29.79 1008.85 1008.85 | 757.9 29.84 1010.45 1010.45 | 0.4 0.02 0.53 0.53 | 92 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight at time of observation. | Rain. | Drizzle. | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 300-600 984-1968 | Altostratus translucidus. | 4.0 2.5 | 26.4 80 | |||||||||||
20:30 | 30.0 86 | 756.3 29.78 1008.32 1008.32 | 757.6 29.83 1010.05 1010.05 | 2.2 0.09 2.93 2.93 | 80 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 4.0 2.5 | 26.1 79 | ||||||||||||||
17:30 | 32.8 91 | 754.1 29.69 1005.38 1005.38 | 755.4 29.74 1007.12 1007.12 | 0.0 0 0 0 | 68 | Wind blowing from the south-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 36.0 97 | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 26.1 79 | |||||||||||||
14:30 | 35.6 96 | 754.1 29.69 1005.38 1005.38 | 755.4 29.74 1007.12 1007.12 | -1.8 -0.07 -2.4 -2.4 | 49 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 23.3 74 | ||||||||||||||
11:30 | 34.4 94 | 755.9 29.76 1007.78 1007.78 | 757.2 29.81 1009.52 1009.52 | -0.8 -0.03 -1.07 -1.07 | 54 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 10.0 6.2 | 23.8 75 | ||||||||||||||
08:30 | 28.2 83 | 756.7 29.79 1008.85 1008.85 | 758.0 29.84 1010.58 1010.58 | 1.2 0.05 1.6 1.6 | 69 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 26.4 80 | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 10.0 6.2 | 22.0 72 | |||||||||||||
05:30 | 27.0 81 | 755.5 29.74 1007.25 1007.25 | 756.7 29.79 1008.85 1008.85 | -0.3 -0.01 -0.4 -0.4 | 77 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 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. | 4.0 2.5 | 22.6 73 | ||||||||||||||