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 October 15, Thursday | 17 | 15.6 60 | 757.6 29.83 1010.05 1010.05 | 765.9 30.15 1021.12 1021.12 | -0.6 -0.02 -0.8 -0.8 | 86 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 13.3 56 | 2.0 0.08 | 3 | |||||||||||||||
14 | 18.3 65 | 758.2 29.85 1010.85 1010.85 | 766.3 30.17 1021.65 1021.65 | -0.4 -0.02 -0.53 -0.53 | 66 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 17.2 63 | 24.4 76 | 600-1000 1968-3281 | 11.0 6.8 | 11.7 53 | ||||||||||||||||
11 | 17.8 64 | 758.6 29.87 1011.38 1011.38 | 766.8 30.19 1022.32 1022.32 | 1.2 0.05 1.6 1.6 | 73 | Wind blowing from the north-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 11.0 6.8 | 12.8 55 | ||||||||||||||||||
08 | 17.8 64 | 757.4 29.82 1009.78 1009.78 | 765.7 30.15 1020.85 1020.85 | 1.8 0.07 2.4 2.4 | 70 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 17.8 64 | 31.7 89 | 1000-1500 3281-4921 | 16.0 9.9 | 12.2 54 | ||||||||||||||||
05 | 21.7 71 | 755.6 29.75 1007.38 1007.38 | 763.6 30.06 1018.05 1018.05 | 1.7 0.07 2.27 2.27 | 71 | Wind blowing from the north-northeast | 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 | 2000-2500 6562-8202 | 16.0 9.9 | 16.1 61 | |||||||||||||||||
02 | 23.9 75 | 753.9 29.68 1005.12 1005.12 | 761.9 30 1015.78 1015.78 | 0.3 0.01 0.4 0.4 | 79 | 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 | 17.2 63 | 27.2 81 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 20.0 68 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
| October 14, Wednesday | 23 | 26.7 80 | 753.6 29.67 1004.72 1004.72 | 761.8 29.99 1015.65 1015.65 | 1.5 0.06 2 2 | 67 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | 1500-2000 4921-6562 | 16.0 9.9 | 20.0 68 | Trace of precipitation Trace of precipitation | 3 | ||||||||||||||
20 | 25.6 78 | 752.1 29.61 1002.72 1002.72 | 760.3 29.93 1013.65 1013.65 | 0.8 0.03 1.07 1.07 | 67 | Wind blowing from the south-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 50%. 5/10. 4 oktas | 17.2 63 | 31.7 89 | 1500-2000 4921-6562 | 16.0 9.9 | 18.9 66 | ||||||||||||||||
17 | 31.1 88 | 751.3 29.58 1001.65 1001.65 | 759.4 29.9 1012.45 1012.45 | -0.6 -0.02 -0.8 -0.8 | 48 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 18.9 66 | ||||||||||||||||||