Weather archive in Puttalam
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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 | |
| 2025 December 20, Saturday | 17:30 | 27.0 81 | 756.4 29.78 1008.45 1008.45 | 756.5 29.78 1008.58 1008.58 | 70 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Clouds generally forming or developing. | 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 more than 1/2 of the sky throughout the appropriate period. | 29.3 85 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 300-600 984-1968 | Altostratus translucidus. | No Cirrus, Cirrocumulus or Cirrostratus. | 20.0 12.4 | 21.0 70 | No precipitation No precipitation | 9 | ||||||||
11:30 | 28.6 83 | 757.9 29.84 1010.45 1010.45 | 758.0 29.84 1010.58 1010.58 | 65 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | Cloud development not observed or not observable. | 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. | 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 | 21.4 71 | No precipitation No precipitation | 9 | ||||||||||
05:30 | 22.5 73 | 756.8 29.8 1008.98 1008.98 | 757.0 29.8 1009.25 1009.25 | 95 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Haze. | 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 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 | 21.7 71 | No precipitation No precipitation | 9 | ||||||||||
| December 19, Friday | 23:30 | 22.8 73 | 758.3 29.85 1010.98 1010.98 | 758.5 29.86 1011.25 1011.25 | 91 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | no clouds no clouds no clouds | 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. | 18.0 11.2 | 21.3 70 | No precipitation No precipitation | 9 | ||||||||||||||
17:30 | 27.6 82 | 756.5 29.78 1008.58 1008.58 | 756.7 29.79 1008.85 1008.85 | 73 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 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. | 25.2 77 | 30.2 86 | 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 | 22.3 72 | No precipitation No precipitation | 9 | ||||||||