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 May 30, Saturday | 08 | 21.7 71 | 756.8 29.8 1008.98 1008.98 | 758.4 29.86 1011.12 1011.12 | 1.6 0.06 2.13 2.13 | 44 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 20–30%. 2/10–3/10. 2 oktas | 17.2 63 | 26.7 80 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.9 48 | ||||||||||||||
05 | 17.2 63 | 755.2 29.73 1006.85 1006.85 | 756.9 29.8 1009.12 1009.12 | -0.3 -0.01 -0.4 -0.4 | 68 | Wind blowing from the south | 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 | 11.1 52 | ||||||||||||||||||
02 | 20.6 69 | 755.5 29.74 1007.25 1007.25 | 757.1 29.81 1009.38 1009.38 | -0.8 -0.03 -1.07 -1.07 | 53 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | 13.3 56 | 25.0 77 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 10.6 51 | ||||||||||||||||
| May 29, Friday | 23 | 21.1 70 | 756.3 29.78 1008.32 1008.32 | 757.8 29.83 1010.32 1010.32 | 0.5 0.02 0.67 0.67 | 57 | Wind blowing from the west-southwest | 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 | 12.2 54 | |||||||||||||||||
20 | 25.0 77 | 755.8 29.76 1007.65 1007.65 | 757.3 29.81 1009.65 1009.65 | -1.8 -0.07 -2.4 -2.4 | 39 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 13.3 56 | 26.7 80 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 10.0 50 | ||||||||||||||||
17 | 26.1 79 | 757.6 29.83 1010.05 1010.05 | 759.1 29.89 1012.05 1012.05 | -2.0 -0.08 -2.67 -2.67 | 34 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.9 48 | |||||||||||||||||
14 | 23.9 75 | 759.6 29.91 1012.72 1012.72 | 761.2 29.97 1014.85 1014.85 | -2.2 -0.09 -2.93 -2.93 | 40 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 17.8 64 | 25.0 77 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 9.4 49 | ||||||||||||||||
11 | 22.2 72 | 761.8 29.99 1015.65 1015.65 | 763.6 30.06 1018.05 1018.05 | -0.8 -0.03 -1.07 -1.07 | 40 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 7.8 46 | ||||||||||||||||||
08 | 17.8 64 | 762.6 30.02 1016.72 1016.72 | 764.1 30.08 1018.72 1018.72 | 0.8 0.03 1.07 1.07 | 54 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 13.3 56 | 27.8 82 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.3 47 | ||||||||||||||||