Weather archive in the Isle of Portland
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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 31, Monday | 20 | 18.0 64 | 759.4 29.9 1012.45 1012.45 | 763.9 30.07 1018.45 1018.45 | 64 | Wind blowing from the west-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | no clouds no clouds no clouds | 35.0 21.8 | 11.0 52 | No precipitation No precipitation | 1 | |||||||||||||||
19 | 18.5 65 | 758.8 29.87 1011.65 1011.65 | 763.4 30.06 1017.78 1017.78 | 62 | Wind blowing from the west-northwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | no clouds no clouds no clouds | 16.9 62 | 20.7 69 | 35.0 21.8 | 11.1 52 | No precipitation No precipitation | 12 | ||||||||||||||
18 | 19.1 66 | 758.5 29.86 1011.25 1011.25 | 763.1 30.04 1017.38 1017.38 | 63 | Wind blowing from the west-northwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | 35.0 21.8 | 11.8 53 | No precipitation No precipitation | 1 | |||||||||||||||
17 | 19.4 67 | 758.3 29.85 1010.98 1010.98 | 763.0 30.04 1017.25 1017.25 | 70 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | no clouds no clouds no clouds | 30.0 18.6 | 13.7 57 | No precipitation No precipitation | 1 | ||||||||||||||||
16 | 19.4 67 | 757.9 29.84 1010.45 1010.45 | 762.6 30.02 1016.72 1016.72 | 72 | Wind blowing from the west-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | no clouds no clouds no clouds | 45.0 28.0 | 14.1 57 | No precipitation No precipitation | 1 | ||||||||||||||||
15 | 19.9 68 | 757.6 29.83 1010.05 1010.05 | 762.2 30.01 1016.18 1016.18 | 71 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | no clouds no clouds no clouds | 29.0 18.0 | 14.4 58 | No precipitation No precipitation | 1 | ||||||||||||||||
14 | 20.0 68 | 757.0 29.8 1009.25 1009.25 | 761.7 29.99 1015.52 1015.52 | 66 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | no clouds no clouds no clouds | 40.0 24.9 | 13.5 56 | No precipitation No precipitation | 1 | ||||||||||||||||
13 | 19.9 68 | 756.7 29.79 1008.85 1008.85 | 761.2 29.97 1014.85 1014.85 | 70 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1500-2000 4921-6562 | 35.0 21.8 | 14.3 58 | No precipitation No precipitation | 6 | ||||||||||||||
12 | 18.8 66 | 755.9 29.76 1007.78 1007.78 | 760.5 29.94 1013.92 1013.92 | 77 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | no clouds no clouds no clouds | 29.0 18.0 | 14.6 58 | No precipitation No precipitation | 1 | ||||||||||||||||
11 | 18.4 65 | 755.4 29.74 1007.12 1007.12 | 760.0 29.92 1013.25 1013.25 | 77 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 29.0 18.0 | 14.3 58 | No precipitation No precipitation | 1 | |||||||||||||||
10 | 18.0 64 | 754.7 29.71 1006.18 1006.18 | 759.3 29.89 1012.32 1012.32 | 80 | Wind blowing from the west-northwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 16.6 62 | 18.0 64 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 19.0 11.8 | 14.4 58 | No precipitation No precipitation | 12 | |||||||||||||
09 | 17.5 64 | 753.9 29.68 1005.12 1005.12 | 758.5 29.86 1011.25 1011.25 | 81 | Wind blowing from the west-northwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 300-600 984-1968 | 24.0 14.9 | 14.2 58 | No precipitation No precipitation | 1 | |||||||||||||||
08 | 17.3 63 | 753.1 29.65 1004.05 1004.05 | 757.7 29.83 1010.18 1010.18 | 79 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 19.0 11.8 | 13.5 56 | No precipitation No precipitation | 1 | |||||||||||||||
07 | 16.9 62 | 752.5 29.63 1003.25 1003.25 | 757.0 29.8 1009.25 1009.25 | 80 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 33 m/s 119 km/h 74 mph 64 knots 12 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 16.6 62 | 18.0 64 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 22.0 13.7 | 13.4 56 | 0.2 0.01 | 12 | |||||||||||||
06 | 17.0 63 | 751.9 29.6 1002.45 1002.45 | 756.5 29.78 1008.58 1008.58 | 82 | Wind blowing from the west | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | 26.0 16.2 | 13.8 57 | No precipitation No precipitation | 1 | |||||||||||||||
05 | 17.0 63 | 751.4 29.58 1001.78 1001.78 | 756.0 29.76 1007.92 1007.92 | 79 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | 28.0 17.4 | 13.4 56 | No precipitation No precipitation | 1 | |||||||||||||||
04 | 17.1 63 | 751.1 29.57 1001.38 1001.38 | 755.7 29.75 1007.52 1007.52 | 81 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 35 m/s 126 km/h 78 miles/hour 68 knots 12 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 300-600 984-1968 | 15.0 9.3 | 13.7 57 | No precipitation No precipitation | 1 | |||||||||||||||
03 | 17.2 63 | 750.7 29.56 1000.85 1000.85 | 755.2 29.73 1006.85 1006.85 | 77 | Wind blowing from the west | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 37 m/s 133 km/h 83 mph 72 knots 12 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 26.0 16.2 | 13.2 56 | No precipitation No precipitation | 1 | |||||||||||||||
02 | 17.1 63 | 750.6 29.55 1000.72 1000.72 | 755.2 29.73 1006.85 1006.85 | 77 | Wind blowing from the west | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 36 m/s 130 km/h 81 mile/hour 70 knots 12 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 300-600 984-1968 | 25.0 15.5 | 13.0 55 | No precipitation No precipitation | 1 | ||||||||||||||
01 | 16.7 62 | 750.1 29.53 1000.05 1000.05 | 754.6 29.71 1006.05 1006.05 | 77 | Wind blowing from the west-southwest | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 37 m/s 133 km/h 83 mph 72 knots 12 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 300-600 984-1968 | 17.0 10.6 | 12.7 55 | 0.2 0.01 | 6 | ||||||||||||||
00 | 17.5 64 | 749.9 29.52 999.78 999.78 | 754.5 29.7 1005.92 1005.92 | 87 | Wind blowing from the west-southwest | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 38 m/s 137 km/h 85 miles/hour 74 knots 12 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Mist. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | 10.0 6.2 | 15.3 60 | No precipitation No precipitation | 1 | ||||||||||||||