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 January 3, Friday | 16 | 1.1 34 | 749.8 29.52 999.65 999.65 | 758.5 29.86 1011.25 1011.25 | 0.0 0 0 0 | 85 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 100%. 10/10. 8 oktas | 200-300 656-984 | 16.0 9.9 | -1.1 30 | 1.0 0.04 | 3 | ||||||||||||||
13 | 5.0 41 | 749.8 29.52 999.65 999.65 | 758.4 29.86 1011.12 1011.12 | -4.1 -0.16 -5.47 -5.47 | 53 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.3 26 | 5.0 41 | 1500-2000 4921-6562 | 16.0 9.9 | -3.9 25 | ||||||||||||||||
10 | 2.2 36 | 753.9 29.68 1005.12 1005.12 | 762.3 30.01 1016.32 1016.32 | -2.2 -0.09 -2.93 -2.93 | 55 | 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 | -6.1 21 | ||||||||||||||||||
07 | -2.2 28 | 756.1 29.77 1008.05 1008.05 | 764.6 30.1 1019.38 1019.38 | -0.5 -0.02 -0.67 -0.67 | 69 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | -3.3 26 | 5.6 42 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -7.2 19 | ||||||||||||||||
04 | -2.8 27 | 756.6 29.79 1008.72 1008.72 | 765.1 30.12 1020.05 1020.05 | -0.5 -0.02 -0.67 -0.67 | 69 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | -7.8 18 | |||||||||||||||||||
01 | 1.1 34 | 757.1 29.81 1009.38 1009.38 | 765.6 30.14 1020.72 1020.72 | 0.2 0.01 0.27 0.27 | 54 | Wind blowing from the west-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1.1 34 | 2.8 37 | 1500-2000 4921-6562 | 16.0 9.9 | -7.2 19 | ||||||||||||||||
| January 2, Thursday | 22 | 2.2 36 | 756.9 29.8 1009.12 1009.12 | 765.4 30.13 1020.45 1020.45 | -0.2 -0.01 -0.27 -0.27 | 48 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -7.8 18 | |||||||||||||||||
19 | 1.7 35 | 757.1 29.81 1009.38 1009.38 | 765.7 30.15 1020.85 1020.85 | 0.5 0.02 0.67 0.67 | 50 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1.7 35 | 5.6 42 | 1500-2000 4921-6562 | 16.0 9.9 | -7.8 18 | ||||||||||||||||
16 | 5.0 41 | 756.6 29.79 1008.72 1008.72 | 765.2 30.13 1020.18 1020.18 | -0.5 -0.02 -0.67 -0.67 | 41 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -7.2 19 | ||||||||||||||||||