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 19, Wednesday | 05 | 22.2 72 | 758.3 29.85 1010.98 1010.98 | 760.0 29.92 1013.25 1013.25 | 0.0 0 0 0 | 71 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 16.7 62 | ||||||||||||||||||
02 | 23.3 74 | 758.3 29.85 1010.98 1010.98 | 760.0 29.92 1013.25 1013.25 | 0.0 0 0 0 | 79 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 23.3 74 | 28.9 84 | 16.0 9.9 | 19.4 67 | |||||||||||||||||
| August 18, Tuesday | 23 | 26.1 79 | 758.3 29.85 1010.98 1010.98 | 759.8 29.91 1012.98 1012.98 | 0.5 0.02 0.67 0.67 | 62 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 18.3 65 | |||||||||||||||||
20 | 28.9 84 | 757.8 29.83 1010.32 1010.32 | 759.4 29.9 1012.45 1012.45 | 0.2 0.01 0.27 0.27 | 51 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.9 75 | 31.7 89 | 1500-2000 4921-6562 | 16.0 9.9 | 17.8 64 | ||||||||||||||||
17 | 30.0 86 | 757.6 29.83 1010.05 1010.05 | 759.1 29.89 1012.05 1012.05 | 0.0 0 0 0 | 51 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 18.9 66 | ||||||||||||||||||
14 | 30.6 87 | 757.6 29.83 1010.05 1010.05 | 759.1 29.89 1012.05 1012.05 | -0.2 -0.01 -0.27 -0.27 | 57 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 25.0 77 | 31.1 88 | 1000-1500 3281-4921 | 16.0 9.9 | 21.1 70 | |||||||||||||||
11 | 29.4 85 | 757.8 29.83 1010.32 1010.32 | 759.5 29.9 1012.58 1012.58 | 0.5 0.02 0.67 0.67 | 65 | 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 | 22.2 72 | |||||||||||||||||||
08 | 25.0 77 | 757.3 29.81 1009.65 1009.65 | 759.0 29.88 1011.92 1011.92 | 1.0 0.04 1.33 1.33 | 82 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 23.9 75 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 21.7 71 | |||||||||||||||||
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 | ||||||||||||||||||