Weather archive in Northolt / Mandeville (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 August 18, Tuesday | 01 | 20.2 68 | 757.0 29.8 1009.25 1009.25 | 759.8 29.91 1012.98 1012.98 | 65 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 100%. 10/10. 8 oktas | 27.0 16.8 | 13.3 56 | |||||||||||||||||||
00 | 20.8 69 | 757.0 29.8 1009.25 1009.25 | 759.9 29.92 1013.12 1013.12 | 65 | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 45.0 28.0 | 13.9 57 | ||||||||||||||||||||
| August 17, Monday | 23 | 22.3 72 | 757.6 29.83 1010.05 1010.05 | 760.5 29.94 1013.92 1013.92 | 61 | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 35.0 21.8 | 14.4 58 | |||||||||||||||||||
22 | 23.0 73 | 757.3 29.81 1009.65 1009.65 | 760.2 29.93 1013.52 1013.52 | 52 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 12.6 55 | ||||||||||||||||||||
21 | 24.4 76 | 757.5 29.82 1009.92 1009.92 | 760.3 29.93 1013.65 1013.65 | 50 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 71.0 44.1 | 13.4 56 | |||||||||||||||||||||
20 | 25.5 78 | 757.5 29.82 1009.92 1009.92 | 760.3 29.93 1013.65 1013.65 | 48 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 45.0 28.0 | 13.8 57 | ||||||||||||||||||||
19 | 26.3 79 | 757.5 29.82 1009.92 1009.92 | 760.3 29.93 1013.65 1013.65 | 46 | 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 | 20–30%. 2/10–3/10. 2 oktas | 65.0 40.4 | 13.6 56 | ||||||||||||||||||||
18 | 27.0 81 | 757.8 29.83 1010.32 1010.32 | 760.6 29.94 1014.05 1014.05 | 43 | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 13.5 56 | ||||||||||||||||||||
17 | 27.2 81 | 758.0 29.84 1010.58 1010.58 | 760.9 29.96 1014.45 1014.45 | 43 | 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 | 70 – 80%. 7/10 – 8/10. 6 oktas | 65.0 40.4 | 13.6 56 | ||||||||||||||||||||
16 | 26.5 80 | 758.5 29.86 1011.25 1011.25 | 761.3 29.97 1014.98 1014.98 | 44 | 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 | 40%. 4/10. 3 oktas | 71.0 44.1 | 13.1 56 | ||||||||||||||||||||
15 | 26.8 80 | 758.7 29.87 1011.52 1011.52 | 761.5 29.98 1015.25 1015.25 | 42 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 12.9 55 | |||||||||||||||||||||
14 | 26.0 79 | 759.1 29.89 1012.05 1012.05 | 761.9 30 1015.78 1015.78 | 48 | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 14.0 57 | ||||||||||||||||||||
13 | 25.0 77 | 759.4 29.9 1012.45 1012.45 | 762.2 30.01 1016.18 1016.18 | 49 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | 71.0 44.1 | 13.6 56 | |||||||||||||||||||||
12 | 24.6 76 | 759.4 29.9 1012.45 1012.45 | 762.3 30.01 1016.32 1016.32 | 49 | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 20–30%. 2/10–3/10. 2 oktas | 71.0 44.1 | 13.2 56 | ||||||||||||||||||||
11 | 24.0 75 | 759.5 29.9 1012.58 1012.58 | 762.4 30.02 1016.45 1016.45 | 52 | 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 | 71.0 44.1 | 13.4 56 | |||||||||||||||||||||
10 | 22.4 72 | 759.6 29.91 1012.72 1012.72 | 762.5 30.02 1016.58 1016.58 | 53 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 71.0 44.1 | 12.3 54 | ||||||||||||||||||||||
09 | 20.9 70 | 759.4 29.9 1012.45 1012.45 | 762.4 30.02 1016.45 1016.45 | 54 | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 11.3 52 | ||||||||||||||||||||
08 | 19.3 67 | 759.4 29.9 1012.45 1012.45 | 762.3 30.01 1016.32 1016.32 | 59 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 71.0 44.1 | 11.1 52 | |||||||||||||||||||||
07 | 18.4 65 | 759.4 29.9 1012.45 1012.45 | 762.4 30.02 1016.45 1016.45 | 61 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 71.0 44.1 | 10.6 51 | ||||||||||||||||||||||
06 | 17.1 63 | 759.1 29.89 1012.05 1012.05 | 762.0 30 1015.92 1015.92 | 60 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 71.0 44.1 | 9.3 49 | |||||||||||||||||||||
05 | 17.5 64 | 758.9 29.88 1011.78 1011.78 | 761.9 30 1015.78 1015.78 | 54 | Light breeze (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 | 60%. 6/10. 5 oktas | 71.0 44.1 | 7.9 46 | ||||||||||||||||||||
04 | 19.0 66 | 758.9 29.88 1011.78 1011.78 | 761.9 30 1015.78 1015.78 | 47 | 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 | 50%. 5/10. 4 oktas | 71.0 44.1 | 7.3 45 | ||||||||||||||||||||
03 | 19.6 67 | 758.9 29.88 1011.78 1011.78 | 761.8 29.99 1015.65 1015.65 | 46 | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 71.0 44.1 | 7.7 46 | ||||||||||||||||||||
02 | 20.4 69 | 758.9 29.88 1011.78 1011.78 | 761.8 29.99 1015.65 1015.65 | 52 | 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 | 50%. 5/10. 4 oktas | 65.0 40.4 | 10.2 50 | ||||||||||||||||||||
01 | 20.8 69 | 758.8 29.87 1011.65 1011.65 | 761.8 29.99 1015.65 1015.65 | 61 | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 60.0 37.3 | 13.0 55 | |||||||||||||||||||