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 10, Wednesday | 16 | 6.1 43 | 740.5 29.15 987.25 987.25 | 748.8 29.48 998.32 998.32 | 0.0 0 0 0 | 65 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 0.0 32 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||
13 | 6.1 43 | 740.5 29.15 987.25 987.25 | 749.0 29.49 998.58 998.58 | -4.0 -0.16 -5.33 -5.33 | 60 | Wind blowing from the south-southwest | 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 | 100%. 10/10. 8 oktas | -2.2 28 | 6.1 43 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.1 30 | |||||||||||||||
10 | 2.2 36 | 744.5 29.31 992.59 992.59 | 752.9 29.64 1003.78 1003.78 | -2.6 -0.1 -3.47 -3.47 | 76 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | |||||||||||||||||
07 | -0.6 31 | 747.1 29.41 996.05 996.05 | 755.6 29.75 1007.38 1007.38 | -2.5 -0.1 -3.33 -3.33 | 85 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | -1.7 29 | 0.6 33 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.8 27 | ||||||||||||||||
04 | -1.1 30 | 749.6 29.51 999.38 999.38 | 758.1 29.85 1010.72 1010.72 | -1.5 -0.06 -2 -2 | 82 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -3.9 25 | ||||||||||||||||||
01 | -0.6 31 | 751.1 29.57 1001.38 1001.38 | 759.6 29.91 1012.72 1012.72 | -1.2 -0.05 -1.6 -1.6 | 82 | 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 | -0.6 31 | 300-600 984-1968 | 16.0 9.9 | -3.3 26 | |||||||||||||||||
| December 9, Tuesday | 22 | -1.1 30 | 752.3 29.62 1002.98 1002.98 | 761.0 29.96 1014.58 1014.58 | -2.6 -0.1 -3.47 -3.47 | 79 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | -4.4 24 | ||||||||||||||||
19 | -1.7 29 | 754.9 29.72 1006.45 1006.45 | 763.5 30.06 1017.92 1017.92 | -0.5 -0.02 -0.67 -0.67 | 66 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | -10.0 14 | 0.6 33 | 600-1000 1968-3281 | 16.0 9.9 | -7.2 19 | |||||||||||||||
16 | 0.0 32 | 755.4 29.74 1007.12 1007.12 | 764.2 30.09 1018.85 1018.85 | -2.0 -0.08 -2.67 -2.67 | 43 | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -11.1 12 | ||||||||||||||||||