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 June 29, Monday | 23:30 | 28.3 83 | 757.0 29.8 1009.25 1009.25 | 757.9 29.84 1010.45 1010.45 | 0.6 0.02 0.8 0.8 | 73 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 50%. 5/10. 4 oktas | State of sky on the whole unchanged. | 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. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | 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 | 23.1 74 | No precipitation No precipitation | 9 | ||||||||
20:30 | 28.0 82 | 756.4 29.78 1008.45 1008.45 | 757.3 29.81 1009.65 1009.65 | 75 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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 | 23.1 74 | No precipitation No precipitation | 9 | ||||||||||||||
17:30 | 28.8 84 | 755.1 29.73 1006.72 1006.72 | 756.0 29.76 1007.92 1007.92 | -1.3 -0.05 -1.73 -1.73 | 80 | Wind blowing from the south-southwest | 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 | State of sky on the whole unchanged. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | 27.9 82 | 30.0 86 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 25.1 77 | No precipitation No precipitation | 9 | |||||||
14:30 | 28.8 84 | 756.4 29.78 1008.45 1008.45 | 757.3 29.81 1009.65 1009.65 | 76 | Wind blowing from the west | 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 | State of sky on the whole unchanged. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 18.0 11.2 | 24.1 75 | Trace of precipitation Trace of precipitation | 9 | ||||||||||
11:30 | 29.0 84 | 757.6 29.83 1010.05 1010.05 | 758.5 29.86 1011.25 1011.25 | 0.5 0.02 0.67 0.67 | 71 | Wind blowing from the west-southwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | State of sky on the whole unchanged. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 23.2 74 | No precipitation No precipitation | 9 | |||||||||
08:30 | 28.1 83 | 757.1 29.81 1009.38 1009.38 | 758.0 29.84 1010.58 1010.58 | 79 | Wind blowing from the south-west | 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 | State of sky on the whole unchanged. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 26.4 80 | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 24.1 75 | 0.1 | 9 | |||||||||
05:30 | 28.0 82 | 755.9 29.76 1007.78 1007.78 | 756.8 29.8 1008.98 1008.98 | 0.3 0.01 0.4 0.4 | 84 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Clouds generally forming or developing. | 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. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 25.1 77 | No precipitation No precipitation | 9 | |||||||||
02:30 | 27.8 82 | 755.6 29.75 1007.38 1007.38 | 756.5 29.78 1008.58 1008.58 | 87 | Wind blowing from the south-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 | State of sky on the whole unchanged. | Shower(s). | 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. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 25.5 78 | 0.1 | 9 | ||||||||||