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 July 28, Tuesday | 17 | 31.1 88 | 748.4 29.46 997.78 997.78 | 750.1 29.53 1000.05 1000.05 | -2.0 -0.08 -2.67 -2.67 | 54 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 20.6 69 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||
14 | 30.6 87 | 750.4 29.54 1000.45 1000.45 | 752.1 29.61 1002.72 1002.72 | -2.1 -0.08 -2.8 -2.8 | 61 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 25.6 78 | 30.6 87 | 600-1000 1968-3281 | 16.0 9.9 | 22.2 72 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
11 | 26.7 80 | 752.5 29.63 1003.25 1003.25 | 754.0 29.69 1005.25 1005.25 | -0.5 -0.02 -0.67 -0.67 | 71 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 21.1 70 | ||||||||||||||||||
08 | 25.0 77 | 753.0 29.65 1003.92 1003.92 | 754.7 29.71 1006.18 1006.18 | -0.5 -0.02 -0.67 -0.67 | 77 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 23.9 75 | 32.2 90 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 20.6 69 | ||||||||||||||||
05 | 23.9 75 | 753.5 29.67 1004.58 1004.58 | 755.1 29.73 1006.72 1006.72 | -1.3 -0.05 -1.73 -1.73 | 84 | Wind blowing from the south | 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 | 21.1 70 | ||||||||||||||||||
02 | 24.4 76 | 754.8 29.72 1006.32 1006.32 | 756.3 29.78 1008.32 1008.32 | 0.3 0.01 0.4 0.4 | 85 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 22.2 72 | 27.8 82 | 1500-2000 4921-6562 | 16.0 9.9 | 21.7 71 | ||||||||||||||||
| July 27, Monday | 23 | 26.1 79 | 754.5 29.7 1005.92 1005.92 | 756.1 29.77 1008.05 1008.05 | -0.5 -0.02 -0.67 -0.67 | 77 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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 | |||||||||||||||||
20 | 27.8 82 | 755.0 29.72 1006.58 1006.58 | 756.5 29.78 1008.58 1008.58 | 0.5 0.02 0.67 0.67 | 67 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 22.2 72 | 32.2 90 | 1500-2000 4921-6562 | 16.0 9.9 | 21.1 70 | ||||||||||||||||
17 | 31.7 89 | 754.5 29.7 1005.92 1005.92 | 756.1 29.77 1008.05 1008.05 | -1.3 -0.05 -1.73 -1.73 | 42 | Wind blowing from the north-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 17.2 63 | ||||||||||||||||||