Weather archive in Vientiane (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 August 18, Tuesday | 22 | 27.5 82 | 738.0 29.06 983.92 983.92 | 752.4 29.62 1003.12 1003.12 | 1.5 0.06 2 2 | 90 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Mist. | 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. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus cumulogenitus (or cumulonimbogenitus). | 3.0 1.9 | 25.8 78 | |||||||||||
19 | 29.0 84 | 736.5 29 981.92 981.92 | 750.1 29.53 1000.05 1000.05 | -0.2 -0.01 -0.27 -0.27 | 81 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | Rain. | 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. | 31.6 89 | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 7.0 4.4 | 25.5 78 | ||||||||||
16 | 29.4 85 | 736.7 29 982.19 982.19 | 751.0 29.57 1001.25 1001.25 | -1.7 -0.07 -2.27 -2.27 | 82 | Wind blowing from the west-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | Rain. | Drizzle. | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 7.0 4.4 | 26.0 79 | 1.0 0.04 | 3 | |||||||||
13 | 30.7 87 | 738.4 29.07 984.45 984.45 | 752.7 29.63 1003.52 1003.52 | -1.1 -0.04 -1.47 -1.47 | 70 | Wind blowing from the west-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 | 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 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 and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 50%. 5/10. 4 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 8.0 5.0 | 24.6 76 | |||||||||||
10 | 31.0 88 | 739.5 29.11 985.92 985.92 | 753.7 29.67 1004.85 1004.85 | 2.1 0.08 2.8 2.8 | 66 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Mist. | 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 during part of the appropriate period and covering 1/2 or less during part of the period. | Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels. | 40%. 4/10. 3 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 8.0 5.0 | 23.8 75 | |||||||||||
07 | 27.5 82 | 737.4 29.03 983.12 983.12 | 751.7 29.59 1002.18 1002.18 | -1.0 -0.04 -1.33 -1.33 | 84 | Wind blowing from the north-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | Mist. | 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. | 26.4 80 | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 6.0 3.7 | 24.6 76 | ||||||||||
04 | 27.9 82 | 738.4 29.07 984.45 984.45 | 752.7 29.63 1003.52 1003.52 | 82 | Wind blowing from the west-southwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 20–30%. 2/10–3/10. 2 oktas | Mist. | 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 during part of the appropriate period and covering 1/2 or less during part of the period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.0 1.9 | 24.6 76 | ||||||||||||
01 | 28.5 83 | 739.0 29.09 985.25 985.25 | 753.3 29.66 1004.32 1004.32 | -0.4 -0.02 -0.53 -0.53 | 77 | Wind blowing from the north-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | Mist. | 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 during part of the appropriate period and covering 1/2 or less during part of the period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 3.0 1.9 | 24.0 75 | |||||||||||