Weather archive in Colombo
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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 May 17, Sunday | 17:30 | 30.3 87 | 753.8 29.68 1004.98 1004.98 | 754.5 29.7 1005.92 1005.92 | -0.3 -0.01 -0.4 -0.4 | 75 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 60%. 6/10. 5 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. | 25.8 78 | 31.9 89 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 300-600 984-1968 | 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 | 25.3 78 | No precipitation No precipitation | 9 | ||||||
14:30 | 31.5 89 | 754.1 29.69 1005.38 1005.38 | 754.8 29.72 1006.32 1006.32 | 78 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | 20.0 12.4 | 27.2 81 | ||||||||||||||||||||
11:30 | 30.6 87 | 755.8 29.76 1007.65 1007.65 | 756.4 29.78 1008.45 1008.45 | 0.0 0 0 0 | 84 | Wind blowing from the south-southwest | 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 | Shower(s) of rain. | 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. | 60%. 6/10. 5 oktas | 300-600 984-1968 | Altostratus translucidus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 20.0 12.4 | 27.6 82 | No precipitation No precipitation | 9 | |||||||||
08:30 | 27.8 82 | 755.8 29.76 1007.65 1007.65 | 756.5 29.78 1008.58 1008.58 | 86 | Wind blowing from the south-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | State of sky on the whole unchanged. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 25.8 78 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 40%. 4/10. 3 oktas | 300-600 984-1968 | 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 | 25.3 78 | 4.0 0.16 | 9 | |||||||||
05:30 | 25.9 79 | 754.4 29.7 1005.78 1005.78 | 755.1 29.73 1006.72 1006.72 | 0.1 0 0.13 0.13 | 86 | Wind blowing from the east-southeast | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | Clouds generally forming or developing. | Shower(s). | 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. | 60%. 6/10. 5 oktas | 300-600 984-1968 | 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. | 18.0 11.2 | 23.4 74 | No precipitation No precipitation | 9 | |||||||||
02:30 | 26.1 79 | 754.3 29.7 1005.65 1005.65 | 754.9 29.72 1006.45 1006.45 | 86 | Wind blowing from the south-east | 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 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. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 20.0 12.4 | 23.6 74 | No precipitation No precipitation | 9 | ||||||||||
| May 16, Saturday | 23:30 | 26.5 80 | 755.1 29.73 1006.72 1006.72 | 755.8 29.76 1007.65 1007.65 | 0.4 0.02 0.53 0.53 | 86 | Wind blowing from the east-southeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 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. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 23.9 75 | No precipitation No precipitation | 9 | ||||||||
20:30 | 27.6 82 | 754.7 29.71 1006.18 1006.18 | 755.4 29.74 1007.12 1007.12 | 86 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Lightning visible, no thunder heard. | 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. | 50%. 5/10. 4 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 20.0 12.4 | 25.0 77 | No precipitation No precipitation | 9 | ||||||||||
17:30 | 29.4 85 | 752.9 29.64 1003.78 1003.78 | 753.6 29.67 1004.72 1004.72 | -0.3 -0.01 -0.4 -0.4 | 86 | 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 | Rain shower(s), slight. | Shower(s). | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 25.1 77 | 30.4 87 | Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 26.8 80 | No precipitation No precipitation | 9 | |||||||