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 15, Saturday | 18 | 23.4 74 | 758.2 29.85 1010.85 1010.85 | 762.7 30.03 1016.85 1016.85 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | No precipitation No precipitation | 1 | ||||||||||||||||
17 | 24.2 76 | 758.2 29.85 1010.85 1010.85 | 762.7 30.03 1016.85 1016.85 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 40.0 24.9 | No precipitation No precipitation | 1 | ||||||||||||||||
16 | 24.3 76 | 758.3 29.85 1010.98 1010.98 | 762.9 30.04 1017.12 1017.12 | Wind blowing from the west-northwest | 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 | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 40.0 24.9 | No precipitation No precipitation | 1 | ||||||||||||||||
15 | 24.8 77 | 758.5 29.86 1011.25 1011.25 | 763.1 30.04 1017.38 1017.38 | Wind blowing from the west-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | No precipitation No precipitation | 1 | |||||||||||||||
14 | 27.4 81 | 758.6 29.87 1011.38 1011.38 | 763.1 30.04 1017.38 1017.38 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | No precipitation No precipitation | 1 | ||||||||||||||||
13 | 26.0 79 | 758.8 29.87 1011.65 1011.65 | 763.3 30.05 1017.65 1017.65 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 50.0 31.1 | No precipitation No precipitation | 6 | ||||||||||||||||
12 | 25.3 78 | 758.8 29.87 1011.65 1011.65 | 763.3 30.05 1017.65 1017.65 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | No precipitation No precipitation | 1 | ||||||||||||||||
11 | 23.5 74 | 758.7 29.87 1011.52 1011.52 | 763.3 30.05 1017.65 1017.65 | Wind blowing from the north | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 55.0 34.2 | No precipitation No precipitation | 1 | ||||||||||||||||
10 | 22.1 72 | 758.6 29.87 1011.38 1011.38 | 763.2 30.05 1017.52 1017.52 | Wind blowing from the north-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 60%. 6/10. 5 oktas | 17.9 64 | 22.1 72 | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | No precipitation No precipitation | 12 | ||||||||||||||
09 | 20.2 68 | 758.3 29.85 1010.98 1010.98 | 763.0 30.04 1017.25 1017.25 | Wind blowing from the north-northeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 50.0 31.1 | No precipitation No precipitation | 1 | ||||||||||||||||
08 | 19.2 67 | 757.9 29.84 1010.45 1010.45 | 762.5 30.02 1016.58 1016.58 | Wind blowing from the north-northeast | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 50.0 31.1 | No precipitation No precipitation | 1 | ||||||||||||||||
07 | 17.9 64 | 757.6 29.83 1010.05 1010.05 | 762.2 30.01 1016.18 1016.18 | Wind blowing from the north-northeast | 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 | no clouds no clouds no clouds | 17.9 64 | 21.9 71 | 50.0 31.1 | No precipitation No precipitation | 12 | |||||||||||||||||
06 | 18.4 65 | 757.5 29.82 1009.92 1009.92 | 762.1 30 1016.05 1016.05 | Wind blowing from the north-northeast | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | no clouds no clouds no clouds | 29.0 18.0 | No precipitation No precipitation | 1 | |||||||||||||||||||
05 | 19.3 67 | 757.5 29.82 1009.92 1009.92 | 762.1 30 1016.05 1016.05 | Wind blowing from the north | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | 27 m/s 97 km/h 60 miles/hour 52 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | No precipitation No precipitation | 1 | ||||||||||||||||
04 | 20.1 68 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | Wind blowing from the north | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 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 | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 50.0 31.1 | No precipitation No precipitation | 1 | ||||||||||||||||
03 | 20.8 69 | 757.5 29.82 1009.92 1009.92 | 762.1 30 1016.05 1016.05 | Wind blowing from the north | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | No precipitation No precipitation | 1 | ||||||||||||||||
02 | 20.9 70 | 757.6 29.83 1010.05 1010.05 | 762.2 30.01 1016.18 1016.18 | Wind blowing from the north | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | No precipitation No precipitation | 1 | ||||||||||||||||
01 | 20.5 69 | 757.8 29.83 1010.32 1010.32 | 762.4 30.02 1016.45 1016.45 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | no clouds no clouds no clouds | 30.0 18.6 | No precipitation No precipitation | 6 | ||||||||||||||||||
00 | 20.6 69 | 758.0 29.84 1010.58 1010.58 | 762.6 30.02 1016.72 1016.72 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | No precipitation No precipitation | 1 | ||||||||||||||||
| August 14, Friday | 23 | 20.7 69 | 758.1 29.85 1010.72 1010.72 | 762.7 30.03 1016.85 1016.85 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | No precipitation No precipitation | 1 | ||||||||||||||||
22 | 21.4 71 | 758.0 29.84 1010.58 1010.58 | 762.6 30.02 1016.72 1016.72 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 50%. 5/10. 4 oktas | 20.5 69 | 25.3 78 | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 24.0 14.9 | No precipitation No precipitation | 12 | |||||||||||||||
21 | 20.5 69 | 757.9 29.84 1010.45 1010.45 | 762.4 30.02 1016.45 1016.45 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | No precipitation No precipitation | 1 | ||||||||||||||||
20 | 21.8 71 | 757.6 29.83 1010.05 1010.05 | 762.1 30 1016.05 1016.05 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | No precipitation No precipitation | 1 | ||||||||||||||||
19 | 21.9 71 | 757.8 29.83 1010.32 1010.32 | 762.4 30.02 1016.45 1016.45 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | no clouds no clouds no clouds | 18.7 66 | 25.3 78 | 30.0 18.6 | No precipitation No precipitation | 12 | |||||||||||||||||
18 | 21.8 71 | 757.8 29.83 1010.32 1010.32 | 762.4 30.02 1016.45 1016.45 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | No precipitation No precipitation | 1 | ||||||||||||||||