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 February 21, Friday | 04 | -3.9 25 | 760.4 29.94 1013.78 1013.78 | 769.1 30.28 1025.38 1025.38 | 1.0 0.04 1.33 1.33 | 50 | Wind blowing from the north-west | 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 | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 16.0 9.9 | -12.8 9 | ||||||||||||||||
01 | -3.9 25 | 759.4 29.9 1012.45 1012.45 | 768.0 30.24 1023.92 1023.92 | 1.5 0.06 2 2 | 48 | Wind blowing from the north-west | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -5.6 22 | -3.9 25 | 1000-1500 3281-4921 | 16.0 9.9 | -13.3 8 | |||||||||||||||
| February 20, Thursday | 22 | -4.4 24 | 757.9 29.84 1010.45 1010.45 | 766.6 30.18 1022.05 1022.05 | 0.5 0.02 0.67 0.67 | 44 | Wind blowing from the north-west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -15.0 5 | ||||||||||||||||
19 | -3.9 25 | 757.4 29.82 1009.78 1009.78 | 766.0 30.16 1021.25 1021.25 | 2.0 0.08 2.67 2.67 | 40 | Wind blowing from the north-west | 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 | 70 – 80%. 7/10 – 8/10. 6 oktas | -5.6 22 | -1.1 30 | 1500-2000 4921-6562 | 16.0 9.9 | -15.6 4 | |||||||||||||||
16 | -2.8 27 | 755.4 29.74 1007.12 1007.12 | 764.0 30.08 1018.58 1018.58 | -0.2 -0.01 -0.27 -0.27 | 41 | Wind blowing from the north-west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -14.4 6 | |||||||||||||||||
13 | -3.9 25 | 755.6 29.75 1007.38 1007.38 | 764.3 30.09 1018.98 1018.98 | -1.0 -0.04 -1.33 -1.33 | 48 | Wind blowing from the north-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | -6.7 20 | -2.2 28 | 1000-1500 3281-4921 | 16.0 9.9 | -13.3 8 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
10 | -5.0 23 | 756.6 29.79 1008.72 1008.72 | 765.4 30.13 1020.45 1020.45 | 0.2 0.01 0.27 0.27 | 53 | Wind blowing from the north-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Continuous fall of snowflakes, slight at time of observation. | 600-1000 1968-3281 | 8.0 5.0 | -13.3 8 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
07 | -5.6 22 | 756.4 29.78 1008.45 1008.45 | 765.0 30.12 1019.92 1019.92 | -0.2 -0.01 -0.27 -0.27 | 52 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -6.7 20 | -3.9 25 | 1500-2000 4921-6562 | 16.0 9.9 | -13.9 7 | ||||||||||||||||
04 | -4.4 24 | 756.6 29.79 1008.72 1008.72 | 765.2 30.13 1020.18 1020.18 | -1.3 -0.05 -1.73 -1.73 | 48 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -13.9 7 | ||||||||||||||||||