Weather archive in Katunayake / Bandaranaike (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 January 4, Sunday | 20:30 | 26.7 80 | 758.8 29.87 1011.65 1011.65 | 759.7 29.91 1012.85 1012.85 | 71 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 40%. 4/10. 3 oktas | Haze. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 15.0 9.3 | 21.0 70 | No precipitation No precipitation | 9 | |||||||||
17:30 | 29.8 86 | 756.7 29.79 1008.85 1008.85 | 757.6 29.83 1010.05 1010.05 | 0.3 0.01 0.4 0.4 | 55 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | Haze. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 24.6 76 | 32.3 90 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 9.0 5.6 | 19.8 68 | No precipitation No precipitation | 9 | |||||||
14:30 | 32.1 90 | 756.4 29.78 1008.45 1008.45 | 757.3 29.81 1009.65 1009.65 | 47 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 19.5 67 | No precipitation No precipitation | 9 | |||||||||||||
11:30 | 30.7 87 | 758.5 29.86 1011.25 1011.25 | 759.4 29.9 1012.45 1012.45 | -0.6 -0.02 -0.8 -0.8 | 52 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | Cumulus humilis or Cumulus 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 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 19.8 68 | No precipitation No precipitation | 9 | ||||||||||||
08:30 | 24.9 77 | 759.1 29.89 1012.05 1012.05 | 760.0 29.92 1013.25 1013.25 | 85 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 40%. 4/10. 3 oktas | 22.9 73 | Cumulus humilis or Cumulus 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 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 18.0 11.2 | 22.1 72 | No precipitation No precipitation | 9 | ||||||||||||
05:30 | 23.2 74 | 757.4 29.82 1009.78 1009.78 | 758.3 29.85 1010.98 1010.98 | 0.2 0.01 0.27 0.27 | 92 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 2500 or more, or no clouds. 8202 or more, or no clouds. | 9.0 5.6 | 21.9 71 | No precipitation No precipitation | 9 | |||||||||||||
02:30 | 23.9 75 | 757.2 29.81 1009.52 1009.52 | 758.1 29.85 1010.72 1010.72 | 91 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | Mist. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | 9.0 5.6 | 22.4 72 | No precipitation No precipitation | 9 | |||||||||||||||
| January 3, Saturday | 23:30 | 25.0 77 | 758.9 29.88 1011.78 1011.78 | 759.8 29.91 1012.98 1012.98 | 0.3 0.01 0.4 0.4 | 83 | Wind blowing from the north-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 40%. 4/10. 3 oktas | State of sky on the whole unchanged. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cumulus humilis or Cumulus 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 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 21.9 71 | No precipitation No precipitation | 9 | ||||||||
20:30 | 26.6 80 | 758.6 29.87 1011.38 1011.38 | 759.5 29.9 1012.58 1012.58 | 71 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering 1/2 or less of the sky throughout the appropriate period. | Cumulus humilis or Cumulus 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 | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 20.9 70 | No precipitation No precipitation | 9 | ||||||||||