Weather archive in Harrow (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 19, Saturday | 06 | 15.3 60 | 748.0 29.45 997.25 997.25 | 765.2 30.13 1020.18 1020.18 | 96 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 14.7 58 | 0.2 0.01 | 1 | |||||||||||||||||
05 | 15.3 60 | 747.9 29.44 997.12 997.12 | 765.2 30.13 1020.18 1020.18 | -0.4 -0.02 -0.53 -0.53 | 84 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 12.6 55 | No precipitation No precipitation | 3 | |||||||||||||||||||
04 | 15.1 59 | 747.9 29.44 997.12 997.12 | 765.1 30.12 1020.05 1020.05 | 82 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 12.1 54 | No precipitation No precipitation | 1 | |||||||||||||||||||
03 | 15.4 60 | 748.2 29.46 997.52 997.52 | 765.4 30.13 1020.45 1020.45 | 79 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 11.7 53 | No precipitation No precipitation | 1 | ||||||||||||||||||
02 | 15.7 60 | 748.3 29.46 997.65 997.65 | 765.6 30.14 1020.72 1020.72 | -1.5 -0.06 -2 -2 | 79 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 12.9 55 | 23.4 74 | 12.0 54 | No precipitation No precipitation | 6 | |||||||||||||||||
| September 18, Friday | 23 | 16.2 61 | 749.8 29.52 999.65 999.65 | 767.1 30.2 1022.72 1022.72 | 77 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 12.1 54 | No precipitation No precipitation | 3 | |||||||||||||||||||
22 | 16.2 61 | 750.0 29.53 999.92 999.92 | 767.3 30.21 1022.98 1022.98 | 75 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 11.8 53 | No precipitation No precipitation | 1 | ||||||||||||||||||
21 | 16.8 62 | 749.8 29.52 999.65 999.65 | 767.2 30.2 1022.85 1022.85 | 75 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 12.3 54 | No precipitation No precipitation | 1 | |||||||||||||||||||
20 | 17.9 64 | 749.6 29.51 999.38 999.38 | 767.0 30.2 1022.58 1022.58 | -0.4 -0.02 -0.53 -0.53 | 68 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 12.9 55 | 23.4 74 | 11.8 53 | No precipitation No precipitation | 6 | |||||||||||||||||
19 | 19.0 66 | 749.5 29.51 999.25 999.25 | 766.9 30.19 1022.45 1022.45 | 64 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 12.0 54 | No precipitation No precipitation | 1 | ||||||||||||||||||
18 | 20.7 69 | 749.8 29.52 999.65 999.65 | 767.2 30.2 1022.85 1022.85 | 65 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 13.9 57 | No precipitation No precipitation | 1 | ||||||||||||||||||
17 | 21.6 71 | 750.0 29.53 999.92 999.92 | 767.3 30.21 1022.98 1022.98 | -1.0 -0.04 -1.33 -1.33 | 64 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 14.4 58 | No precipitation No precipitation | 3 | |||||||||||||||||||
16 | 22.4 72 | 750.1 29.53 1000.05 1000.05 | 767.4 30.21 1023.12 1023.12 | 55 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 13.0 55 | No precipitation No precipitation | 1 | ||||||||||||||||||
15 | 22.8 73 | 750.7 29.56 1000.85 1000.85 | 768.1 30.24 1024.05 1024.05 | 57 | Wind blowing from the north-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 13.8 57 | No precipitation No precipitation | 1 | ||||||||||||||||||
14 | 22.5 73 | 751.0 29.57 1001.25 1001.25 | 768.3 30.25 1024.32 1024.32 | -0.5 -0.02 -0.67 -0.67 | 59 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 12.9 55 | 22.6 73 | 14.0 57 | No precipitation No precipitation | 6 | |||||||||||||||||
13 | 22.2 72 | 751.2 29.57 1001.52 1001.52 | 768.4 30.25 1024.45 1024.45 | 63 | Wind blowing from the north-east | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 14.9 59 | No precipitation No precipitation | 1 | ||||||||||||||||||
12 | 21.8 71 | 751.4 29.58 1001.78 1001.78 | 768.7 30.26 1024.85 1024.85 | 62 | Wind blowing from the east-northeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 14.1 57 | No precipitation No precipitation | 1 | ||||||||||||||||||
11 | 20.4 69 | 751.5 29.59 1001.92 1001.92 | 768.8 30.27 1024.98 1024.98 | 0.3 0.01 0.4 0.4 | 71 | Wind blowing from the north-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 14.9 59 | No precipitation No precipitation | 3 | |||||||||||||||||||
10 | 19.2 67 | 751.4 29.58 1001.78 1001.78 | 768.7 30.26 1024.85 1024.85 | 82 | Wind blowing from the north-northeast | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 16.1 61 | No precipitation No precipitation | 1 | ||||||||||||||||||
08 | 13.6 56 | 751.2 29.57 1001.52 1001.52 | 768.6 30.26 1024.72 1024.72 | 1.2 0.05 1.6 1.6 | 99 | Calm, no wind | Calm | 12.9 55 | 22.9 73 | 13.4 56 | No precipitation No precipitation | 6 | |||||||||||||||||
07 | 13.1 56 | 750.7 29.56 1000.85 1000.85 | 768.1 30.24 1024.05 1024.05 | 100 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 2 m/s 7 km/h 4 mph 4 knots 2 Bft | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 13.1 56 | No precipitation No precipitation | 1 | ||||||||||||||||||
06 | 14.2 58 | 750.5 29.55 1000.58 1000.58 | 767.9 30.23 1023.78 1023.78 | 97 | Wind blowing from the north | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 13.8 57 | No precipitation No precipitation | 1 | ||||||||||||||||||