Weather archive in Washington / Dulles (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 | |
| 2025 April 26, Saturday | 17 | 24.4 76 | 749.6 29.51 999.38 999.38 | 757.6 29.83 1010.05 1010.05 | 0.0 0 0 0 | 52 | Wind blowing from the north-northwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 13.9 57 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||
14 | 22.8 73 | 749.6 29.51 999.38 999.38 | 757.9 29.84 1010.45 1010.45 | -0.8 -0.03 -1.07 -1.07 | 76 | Wind blowing from the south-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Rain, not freezing, continuous, slight at time of observation. | 18.3 65 | 23.9 75 | 600-1000 1968-3281 | 16.0 9.9 | 18.3 65 | 0.3 0.01 | 6 | |||||||||||||
11 | 20.0 68 | 750.4 29.54 1000.45 1000.45 | 758.5 29.86 1011.25 1011.25 | -0.4 -0.02 -0.53 -0.53 | 90 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 18.3 65 | 0.3 0.01 | 3 | |||||||||||||||
08 | 18.3 65 | 750.8 29.56 1000.98 1000.98 | 759.0 29.88 1011.92 1011.92 | 0.2 0.01 0.27 0.27 | 97 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 18.3 65 | 24.4 76 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 11.0 6.8 | 17.8 64 | 0.3 0.01 | 6 | |||||||||||||
05 | 18.9 66 | 750.6 29.55 1000.72 1000.72 | 758.6 29.87 1011.38 1011.38 | -1.7 -0.07 -2.27 -2.27 | 93 | Wind blowing from the south | 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 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 17.8 64 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
02 | 18.3 65 | 752.3 29.62 1002.98 1002.98 | 760.5 29.94 1013.92 1013.92 | -1.6 -0.06 -2.13 -2.13 | 97 | 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 | 9.4 49 | 21.1 70 | 300-600 984-1968 | 16.0 9.9 | 17.8 64 | 13.0 0.51 | 6 | ||||||||||||||
| April 25, Friday | 23 | 18.9 66 | 753.9 29.68 1005.12 1005.12 | 762.1 30 1016.05 1016.05 | -0.7 -0.03 -0.93 -0.93 | 90 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 1000-1500 3281-4921 | 12.0 7.5 | 17.2 63 | 1.0 0.04 | 3 | ||||||||||||||
20 | 21.1 70 | 754.6 29.71 1006.05 1006.05 | 762.8 30.03 1016.98 1016.98 | -0.3 -0.01 -0.4 -0.4 | 76 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 9.4 49 | 24.4 76 | 1000-1500 3281-4921 | 16.0 9.9 | 16.7 62 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
17 | 23.9 75 | 754.9 29.72 1006.45 1006.45 | 763.0 30.04 1017.25 1017.25 | -2.2 -0.09 -2.93 -2.93 | 60 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 15.6 60 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||||