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 December 4, Thursday | 13 | 5.6 42 | 756.9 29.8 1009.12 1009.12 | 765.5 30.14 1020.58 1020.58 | 0.0 0 0 0 | 51 | Wind blowing from the north-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -5.0 23 | 6.1 43 | 1000-1500 3281-4921 | 16.0 9.9 | -3.9 25 | ||||||||||||||
10 | 3.3 38 | 756.9 29.8 1009.12 1009.12 | 765.6 30.14 1020.72 1020.72 | 1.3 0.05 1.73 1.73 | 65 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 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 | -2.8 27 | ||||||||||||||||||
07 | -4.4 24 | 755.6 29.75 1007.38 1007.38 | 764.2 30.09 1018.85 1018.85 | 0.0 0 0 0 | 91 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -6.1 21 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | |||||||||||||||||
04 | -5.6 22 | 755.6 29.75 1007.38 1007.38 | 764.2 30.09 1018.85 1018.85 | -0.2 -0.01 -0.27 -0.27 | 96 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -6.1 21 | |||||||||||||||||||
01 | -3.9 25 | 755.8 29.76 1007.65 1007.65 | 764.3 30.09 1018.98 1018.98 | -0.6 -0.02 -0.8 -0.8 | 92 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | -3.9 25 | 1.7 35 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.0 23 | ||||||||||||||||
| December 3, Wednesday | 22 | -2.8 27 | 756.4 29.78 1008.45 1008.45 | 765.0 30.12 1019.92 1019.92 | 0.3 0.01 0.4 0.4 | 89 | Calm, no wind | Calm | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -4.4 24 | |||||||||||||||||
19 | -0.6 31 | 756.1 29.77 1008.05 1008.05 | 764.8 30.11 1019.65 1019.65 | 0.7 0.03 0.93 0.93 | 79 | Calm, no wind | Calm | no clouds no clouds no clouds | -1.1 30 | 6.7 44 | 16.0 9.9 | -3.9 25 | |||||||||||||||||
16 | 6.1 43 | 755.4 29.74 1007.12 1007.12 | 763.9 30.07 1018.45 1018.45 | -0.4 -0.02 -0.53 -0.53 | 49 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -3.9 25 | |||||||||||||||||||
13 | 5.6 42 | 755.8 29.76 1007.65 1007.65 | 764.4 30.09 1019.12 1019.12 | -1.1 -0.04 -1.47 -1.47 | 51 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | -1.1 30 | 6.1 43 | 1000-1500 3281-4921 | 16.0 9.9 | -3.9 25 | ||||||||||||||||