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 17, Saturday | 08 | 12.2 54 | 755.6 29.75 1007.38 1007.38 | 764.0 30.08 1018.58 1018.58 | 2.5 0.1 3.33 3.33 | 77 | 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 | 12.2 54 | 27.8 82 | 300-600 984-1968 | 16.0 9.9 | 8.3 47 | 0.8 0.03 | 6 | |||||||||||||
05 | 13.3 56 | 753.1 29.65 1004.05 1004.05 | 761.4 29.98 1015.12 1015.12 | 1.2 0.05 1.6 1.6 | 81 | Wind blowing from the north-northwest | 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 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | 10.0 50 | 0.3 0.01 | 3 | |||||||||||||||
02 | 16.1 61 | 751.9 29.6 1002.45 1002.45 | 760.0 29.92 1013.25 1013.25 | 1.1 0.04 1.47 1.47 | 70 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 15.6 60 | 18.9 66 | 2000-2500 6562-8202 | 16.0 9.9 | 10.6 51 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||
| October 16, Friday | 23 | 17.8 64 | 750.8 29.56 1000.98 1000.98 | 759.1 29.89 1012.05 1012.05 | 1.0 0.04 1.33 1.33 | 63 | Wind blowing from the north-west | 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 | 10.6 51 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
20 | 18.3 65 | 749.8 29.52 999.65 999.65 | 758.0 29.84 1010.58 1010.58 | 3.3 0.13 4.4 4.4 | 76 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 15.6 60 | 27.8 82 | 600-1000 1968-3281 | 11.0 6.8 | 13.9 57 | 4.0 0.16 | 6 | ||||||||||||||
17 | 27.2 81 | 746.5 29.39 995.25 995.25 | 754.7 29.71 1006.18 1006.18 | -1.3 -0.05 -1.73 -1.73 | 67 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 16.0 9.9 | 20.6 69 | ||||||||||||||||||
14 | 26.1 79 | 747.8 29.44 996.98 996.98 | 756.0 29.76 1007.92 1007.92 | -2.6 -0.1 -3.47 -3.47 | 69 | 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 | 15.0 59 | 26.1 79 | 600-1000 1968-3281 | 16.0 9.9 | 20.0 68 | ||||||||||||||||
11 | 19.4 67 | 750.4 29.54 1000.45 1000.45 | 758.5 29.86 1011.25 1011.25 | -1.2 -0.05 -1.6 -1.6 | 91 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 200-300 656-984 | 11.0 6.8 | 17.8 64 | ||||||||||||||||||
08 | 16.7 62 | 751.6 29.59 1002.05 1002.05 | 760.0 29.92 1013.25 1013.25 | -1.2 -0.05 -1.6 -1.6 | 96 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Mist. | 15.0 59 | 100-200 328-656 | 2.4 1.5 | 16.1 61 | Trace of precipitation Trace of precipitation | 6 | ||||||||||||||