Weather archive in Washington / Ronald Reagan (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 May 21, Thursday | 20 | 15.0 59 | 765.9 30.15 1021.12 1021.12 | 767.5 30.22 1023.25 1023.25 | 0.8 0.03 1.07 1.07 | 87 | Wind blowing from the north | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, moderate at time of observation. | 15.0 59 | 20.0 68 | 300-600 984-1968 | 8.0 5.0 | 12.8 55 | 2.0 0.08 | 6 | ||||||||||||
17 | 16.7 62 | 765.1 30.12 1020.05 1020.05 | 766.6 30.18 1022.05 1022.05 | 0.0 0 0 0 | 70 | Wind blowing from the north-northeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 11.1 52 | |||||||||||||||||
14 | 18.3 65 | 765.1 30.12 1020.05 1020.05 | 766.9 30.19 1022.45 1022.45 | 0.5 0.02 0.67 0.67 | 61 | Wind blowing from the north-northeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | 18.3 65 | 21.7 71 | 600-1000 1968-3281 | 16.0 9.9 | 10.6 51 | ||||||||||||||||
11 | 18.9 66 | 764.6 30.1 1019.38 1019.38 | 766.2 30.17 1021.52 1021.52 | 1.0 0.04 1.33 1.33 | 65 | Wind blowing from the north-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 12.2 54 | |||||||||||||||||
08 | 19.4 67 | 763.6 30.06 1018.05 1018.05 | 765.3 30.13 1020.32 1020.32 | 1.5 0.06 2 2 | 81 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 18.9 66 | 300-600 984-1968 | 16.0 9.9 | 16.1 61 | 4.0 0.16 | 6 | |||||||||||||||
05 | 21.7 71 | 762.1 30 1016.05 1016.05 | 763.6 30.06 1018.05 1018.05 | 0.3 0.01 0.4 0.4 | 90 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 20.0 68 | 4.0 0.16 | 3 | ||||||||||||||||
02 | 21.7 71 | 761.8 29.99 1015.65 1015.65 | 763.4 30.06 1017.78 1017.78 | -0.3 -0.01 -0.4 -0.4 | 94 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, heavy at time of observation. | 21.1 70 | 25.0 77 | 1000-1500 3281-4921 | 3.2 2.0 | 20.6 69 | 5.0 0.2 | 6 | |||||||||||||
| May 20, Wednesday | 23 | 22.8 73 | 762.1 30 1016.05 1016.05 | 763.6 30.06 1018.05 1018.05 | 2.0 0.08 2.67 2.67 | 76 | Wind blowing from the north | 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 | 18.3 65 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
20 | 25.0 77 | 760.1 29.93 1013.38 1013.38 | 761.8 29.99 1015.65 1015.65 | 0.0 0 0 0 | 69 | Wind blowing from the east-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 21.7 71 | 35.6 96 | 1500-2000 4921-6562 | 16.0 9.9 | 18.9 66 | ||||||||||||||||