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 September 15, Tuesday | 11 | 22.2 72 | 769.9 30.31 1026.45 1026.45 | 771.7 30.38 1028.85 1028.85 | 0.4 0.02 0.53 0.53 | 46 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 10.0 50 | |||||||||||||||||
08 | 16.7 62 | 769.5 30.3 1025.92 1025.92 | 770.9 30.35 1027.78 1027.78 | 1.6 0.06 2.13 2.13 | 60 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | 14.4 58 | 27.2 81 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 8.9 48 | ||||||||||||||||
05 | 16.1 61 | 767.9 30.23 1023.78 1023.78 | 769.5 30.3 1025.92 1025.92 | 0.7 0.03 0.93 0.93 | 70 | Wind blowing from the east-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 10.6 51 | |||||||||||||||||||
02 | 18.3 65 | 767.2 30.2 1022.85 1022.85 | 768.9 30.27 1025.12 1025.12 | 0.8 0.03 1.07 1.07 | 59 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 17.8 64 | 26.1 79 | 16.0 9.9 | 10.0 50 | |||||||||||||||||
| September 14, Monday | 23 | 20.6 69 | 766.4 30.17 1021.78 1021.78 | 768.1 30.24 1024.05 1024.05 | 1.5 0.06 2 2 | 51 | Wind blowing from the north-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 10.0 50 | ||||||||||||||||||
20 | 22.8 73 | 764.9 30.11 1019.78 1019.78 | 766.6 30.18 1022.05 1022.05 | 1.5 0.06 2 2 | 44 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | 22.8 73 | 27.2 81 | 1500-2000 4921-6562 | 16.0 9.9 | 10.0 50 | ||||||||||||||||
17 | 26.1 79 | 763.4 30.06 1017.78 1017.78 | 765.0 30.12 1019.92 1019.92 | 0.3 0.01 0.4 0.4 | 35 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 9.4 49 | |||||||||||||||||
14 | 26.1 79 | 763.1 30.04 1017.38 1017.38 | 764.8 30.11 1019.65 1019.65 | 0.0 0 0 0 | 44 | Wind blowing from the north | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 50%. 5/10. 4 oktas | 23.9 75 | 27.2 81 | 1500-2000 4921-6562 | 16.0 9.9 | 12.8 55 | |||||||||||||||
11 | 26.1 79 | 763.1 30.04 1017.38 1017.38 | 764.8 30.11 1019.65 1019.65 | 1.7 0.07 2.27 2.27 | 50 | Wind blowing from the north | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 50%. 5/10. 4 oktas | 1000-1500 3281-4921 | 16.0 9.9 | 15.0 59 | |||||||||||||||||