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 | |
| 2026 January 17, Saturday | 19 | 3.3 38 | 755.8 29.76 1007.65 1007.65 | 764.4 30.09 1019.12 1019.12 | 1.2 0.05 1.6 1.6 | 70 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 2.2 36 | 6.7 44 | 2000-2500 6562-8202 | 16.0 9.9 | -1.7 29 | |||||||||||||||
16 | 6.7 44 | 754.6 29.71 1006.05 1006.05 | 763.1 30.04 1017.38 1017.38 | 0.5 0.02 0.67 0.67 | 58 | Wind blowing from the south-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 50%. 5/10. 4 oktas | 1500-2000 4921-6562 | 16.0 9.9 | -1.1 30 | ||||||||||||||||||
13 | 3.3 38 | 754.1 29.69 1005.38 1005.38 | 762.5 30.02 1016.58 1016.58 | -0.5 -0.02 -0.67 -0.67 | 70 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -1.0 30 | 3.3 38 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -1.7 29 | 0.8 0.03 | 6 | ||||||||||||||
10 | 0.6 33 | 754.6 29.71 1006.05 1006.05 | 763.1 30.04 1017.38 1017.38 | 1.0 0.04 1.33 1.33 | 82 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Ice pellets | 1000-1500 3281-4921 | 12.0 7.5 | -2.2 28 | 0.5 0.02 | 3 | |||||||||||||||
07 | 3.3 38 | 753.6 29.67 1004.72 1004.72 | 762.2 30.01 1016.18 1016.18 | 0.0 0 0 0 | 34 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 0.6 33 | 3.3 38 | 1500-2000 4921-6562 | 16.0 9.9 | -11.1 12 | ||||||||||||||||
04 | 2.8 37 | 753.6 29.67 1004.72 1004.72 | 762.0 30 1015.92 1015.92 | -0.3 -0.01 -0.4 -0.4 | 31 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -12.8 9 | |||||||||||||||||
01 | 2.2 36 | 753.9 29.68 1005.12 1005.12 | 762.5 30.02 1016.58 1016.58 | 0.5 0.02 0.67 0.67 | 31 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | -6.6 20 | 2.8 37 | 2000-2500 6562-8202 | 16.0 9.9 | -13.3 8 | ||||||||||||||||
| January 16, Friday | 22 | 2.2 36 | 753.4 29.66 1004.45 1004.45 | 761.8 29.99 1015.65 1015.65 | -0.5 -0.02 -0.67 -0.67 | 30 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | -13.9 7 | |||||||||||||||||
19 | 0.6 33 | 753.9 29.68 1005.12 1005.12 | 762.3 30.01 1016.32 1016.32 | 0.0 0 0 0 | 33 | Wind blowing from the south-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | -6.7 20 | 0.6 33 | 2000-2500 6562-8202 | 16.0 9.9 | -13.9 7 | ||||||||||||||||