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 | |
| 2024 December 31, Tuesday | 13 | 14.4 58 | 745.6 29.35 994.05 994.05 | 753.7 29.67 1004.85 1004.85 | -3.7 -0.15 -4.93 -4.93 | 51 | 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 | 0.0 32 | 15.0 59 | 1500-2000 4921-6562 | 16.0 9.9 | 4.4 40 | |||||||||||||||
10 | 11.1 52 | 749.3 29.5 998.98 998.98 | 757.8 29.83 1010.32 1010.32 | -1.3 -0.05 -1.73 -1.73 | 59 | 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 | 3.3 38 | |||||||||||||||||||
07 | 0.0 32 | 750.6 29.55 1000.72 1000.72 | 759.0 29.88 1011.92 1011.92 | -0.5 -0.02 -0.67 -0.67 | 88 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | -0.6 31 | 16.1 61 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | ||||||||||||||||
04 | 1.7 35 | 751.1 29.57 1001.38 1001.38 | 759.4 29.9 1012.45 1012.45 | 0.0 0 0 0 | 82 | 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 | -1.1 30 | ||||||||||||||||||
01 | 3.3 38 | 751.1 29.57 1001.38 1001.38 | 759.4 29.9 1012.45 1012.45 | 0.0 0 0 0 | 68 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 0.6 33 | 15.0 59 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -2.2 28 | ||||||||||||||||
| December 30, Monday | 22 | 5.0 41 | 751.1 29.57 1001.38 1001.38 | 759.3 29.89 1012.32 1012.32 | 1.5 0.06 2 2 | 60 | Wind blowing from the south-east | 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 | -2.2 28 | |||||||||||||||||
19 | 11.1 52 | 749.6 29.51 999.38 999.38 | 757.9 29.84 1010.45 1010.45 | 1.8 0.07 2.4 2.4 | 38 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 7.2 45 | 16.1 61 | 16.0 9.9 | -2.8 27 | |||||||||||||||||
16 | 15.0 59 | 747.8 29.44 996.98 996.98 | 756.0 29.76 1007.92 1007.92 | 0.7 0.03 0.93 0.93 | 32 | Wind blowing from the west | 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 | 2000-2500 6562-8202 | 16.0 9.9 | -1.7 29 | |||||||||||||||||
13 | 15.6 60 | 747.1 29.41 996.05 996.05 | 755.2 29.73 1006.85 1006.85 | -0.7 -0.03 -0.93 -0.93 | 35 | Wind blowing from the west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 20–30%. 2/10–3/10. 2 oktas | 9.4 49 | 15.6 60 | 1500-2000 4921-6562 | 16.0 9.9 | 0.0 32 | |||||||||||||||