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 June 13, Saturday | 11 | 28.9 84 | 759.8 29.91 1012.98 1012.98 | 761.5 29.98 1015.25 1015.25 | 1.0 0.04 1.33 1.33 | 38 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 13.3 56 | ||||||||||||||||
08 | 25.0 77 | 758.8 29.87 1011.65 1011.65 | 760.5 29.94 1013.92 1013.92 | 1.0 0.04 1.33 1.33 | 66 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 21.7 71 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 18.3 65 | |||||||||||||||||
05 | 22.2 72 | 757.8 29.83 1010.32 1010.32 | 759.3 29.89 1012.32 1012.32 | 0.5 0.02 0.67 0.67 | 82 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 18.9 66 | ||||||||||||||||||
02 | 24.4 76 | 757.3 29.81 1009.65 1009.65 | 758.8 29.87 1011.65 1011.65 | -0.3 -0.01 -0.4 -0.4 | 85 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | 22.2 72 | 25.6 78 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 21.7 71 | 0.5 0.02 | 6 | ||||||||||||||
| June 12, Friday | 23 | 23.9 75 | 757.6 29.83 1010.05 1010.05 | 759.1 29.89 1012.05 1012.05 | 1.8 0.07 2.4 2.4 | 90 | Wind blowing from the south-southwest | 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 | 22.2 72 | 0.5 0.02 | 3 | |||||||||||||||
20 | 25.0 77 | 755.8 29.76 1007.65 1007.65 | 757.5 29.82 1009.92 1009.92 | 1.5 0.06 2 2 | 74 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 100%. 10/10. 8 oktas | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | 22.2 72 | 37.8 100 | 1000-1500 3281-4921 | 6.0 3.7 | 20.0 68 | 2.0 0.08 | 6 | ||||||||||||
17 | 30.0 86 | 754.3 29.7 1005.65 1005.65 | 755.8 29.76 1007.65 1007.65 | -0.5 -0.02 -0.67 -0.67 | 70 | Wind blowing from the north | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 23.9 75 | 2.0 0.08 | 3 | ||||||||||||||||
14 | 36.7 98 | 754.8 29.72 1006.32 1006.32 | 756.4 29.78 1008.45 1008.45 | -0.4 -0.02 -0.53 -0.53 | 39 | Wind blowing from the west-southwest | 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 | 25.6 78 | 36.7 98 | 1500-2000 4921-6562 | 16.0 9.9 | 20.6 69 | |||||||||||||||
11 | 32.8 91 | 755.2 29.73 1006.85 1006.85 | 757.0 29.8 1009.25 1009.25 | -0.6 -0.02 -0.8 -0.8 | 52 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 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 | 21.7 71 | |||||||||||||||||