Weather archive in Washington / Ronald Reagan (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 | 05 | 24.4 76 | 756.3 29.78 1008.32 1008.32 | 757.9 29.84 1010.45 1010.45 | -0.2 -0.01 -0.27 -0.27 | 85 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 21.7 71 | |||||||||||||||||
02 | 25.0 77 | 756.5 29.78 1008.58 1008.58 | 758.2 29.85 1010.85 1010.85 | 0.0 0 0 0 | 85 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.3 74 | 28.3 83 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 22.2 72 | ||||||||||||||||
| August 17, Monday | 23 | 26.1 79 | 756.5 29.78 1008.58 1008.58 | 758.2 29.85 1010.85 1010.85 | 0.7 0.03 0.93 0.93 | 82 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 22.8 73 | |||||||||||||||||
20 | 28.3 83 | 755.8 29.76 1007.65 1007.65 | 757.3 29.81 1009.65 1009.65 | 0.6 0.02 0.8 0.8 | 67 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.3 74 | 34.4 94 | 1500-2000 4921-6562 | 16.0 9.9 | 21.7 71 | ||||||||||||||||
17 | 33.3 92 | 755.2 29.73 1006.85 1006.85 | 756.9 29.8 1009.12 1009.12 | -1.1 -0.04 -1.47 -1.47 | 51 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 21.7 71 | ||||||||||||||||||
14 | 33.3 92 | 756.3 29.78 1008.32 1008.32 | 757.9 29.84 1010.45 1010.45 | -1.0 -0.04 -1.33 -1.33 | 52 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.9 75 | 33.3 92 | 1000-1500 3281-4921 | 16.0 9.9 | 22.2 72 | |||||||||||||||
11 | 28.9 84 | 757.3 29.81 1009.65 1009.65 | 759.0 29.88 1011.92 1011.92 | 0.0 0 0 0 | 72 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 16.0 9.9 | 23.3 74 | ||||||||||||||||||
08 | 25.0 77 | 757.3 29.81 1009.65 1009.65 | 758.8 29.87 1011.65 1011.65 | 1.0 0.04 1.33 1.33 | 85 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.3 74 | 27.2 81 | 1000-1500 3281-4921 | 16.0 9.9 | 22.2 72 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
05 | 23.9 75 | 756.3 29.78 1008.32 1008.32 | 757.9 29.84 1010.45 1010.45 | -0.2 -0.01 -0.27 -0.27 | 90 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 22.2 72 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||