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 7, Friday | 11 | 28.9 84 | 763.6 30.06 1018.05 1018.05 | 765.4 30.13 1020.45 1020.45 | -0.6 -0.02 -0.8 -0.8 | 74 | Wind blowing from the south-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 16.0 9.9 | 23.9 75 | |||||||||||||||||
08 | 25.6 78 | 764.2 30.09 1018.85 1018.85 | 765.7 30.15 1020.85 1020.85 | 0.6 0.02 0.8 0.8 | 85 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | 23.3 74 | 200-300 656-984 | 16.0 9.9 | 22.8 73 | |||||||||||||||||
05 | 23.9 75 | 763.6 30.06 1018.05 1018.05 | 765.1 30.12 1020.05 1020.05 | -0.3 -0.01 -0.4 -0.4 | 84 | Wind blowing from the west-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 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 | 21.1 70 | ||||||||||||||||||
02 | 23.9 75 | 763.9 30.07 1018.45 1018.45 | 765.6 30.14 1020.72 1020.72 | -0.5 -0.02 -0.67 -0.67 | 88 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | 23.9 75 | 26.7 80 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 21.7 71 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
| August 6, Thursday | 23 | 24.4 76 | 764.4 30.09 1019.12 1019.12 | 766.0 30.16 1021.25 1021.25 | 1.5 0.06 2 2 | 82 | Wind blowing from the west-southwest | 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 | 21.1 70 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
20 | 25.0 77 | 762.9 30.04 1017.12 1017.12 | 764.5 30.1 1019.25 1019.25 | 0.5 0.02 0.67 0.67 | 85 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 25.0 77 | 32.8 91 | 1000-1500 3281-4921 | 16.0 9.9 | 22.2 72 | 0.8 0.03 | 6 | ||||||||||||||
17 | 32.2 90 | 762.4 30.02 1016.45 1016.45 | 764.0 30.08 1018.58 1018.58 | -0.7 -0.03 -0.93 -0.93 | 62 | 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 | Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation. | 1000-1500 3281-4921 | 16.0 9.9 | 23.9 75 | |||||||||||||||||
14 | 31.7 89 | 763.1 30.04 1017.38 1017.38 | 764.8 30.11 1019.65 1019.65 | -0.5 -0.02 -0.67 -0.67 | 63 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 50%. 5/10. 4 oktas | 26.7 80 | 32.2 90 | 1000-1500 3281-4921 | 16.0 9.9 | 23.9 75 | ||||||||||||||||
11 | 29.4 85 | 763.6 30.06 1018.05 1018.05 | 765.2 30.13 1020.18 1020.18 | 0.2 0.01 0.27 0.27 | 75 | Wind blowing from the south-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | 16.0 9.9 | 24.4 76 | ||||||||||||||||||