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 July 17, Friday | 03 | 18.4 65 | 758.5 29.86 1011.25 1011.25 | 763.0 30.04 1017.25 1017.25 | 74 | Wind blowing from the north-northwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | 13.6 56 | No precipitation No precipitation | 1 | |||||||||||||
02 | 18.1 65 | 758.6 29.87 1011.38 1011.38 | 763.3 30.05 1017.65 1017.65 | 77 | Wind blowing from the north-northwest | 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 | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 18.0 11.2 | 14.0 57 | No precipitation No precipitation | 1 | ||||||||||||||
01 | 18.8 66 | 758.8 29.87 1011.65 1011.65 | 763.5 30.06 1017.92 1017.92 | 75 | Wind blowing from the west | 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 | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 27.0 16.8 | 14.3 58 | No precipitation No precipitation | 6 | ||||||||||||||
00 | 19.4 67 | 759.0 29.88 1011.92 1011.92 | 763.6 30.06 1018.05 1018.05 | 71 | Wind blowing from the south-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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 28.0 17.4 | 14.0 57 | No precipitation No precipitation | 1 | ||||||||||||||
| July 16, Thursday | 23 | 19.1 66 | 759.0 29.88 1011.92 1011.92 | 763.6 30.06 1018.05 1018.05 | 75 | Wind blowing from the north-northwest | 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 | 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. | 28.0 17.4 | 14.5 58 | No precipitation No precipitation | 1 | |||||||||||||
22 | 19.2 67 | 758.7 29.87 1011.52 1011.52 | 763.3 30.05 1017.65 1017.65 | 74 | Wind blowing from the west | 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 | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | 19.1 66 | 25.0 77 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 28.0 17.4 | 14.5 58 | No precipitation No precipitation | 12 | ||||||||||||
21 | 20.3 69 | 758.2 29.85 1010.85 1010.85 | 762.7 30.03 1016.85 1016.85 | 66 | Wind blowing from the east-northeast | 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 | 15 m/s 54 km/h 34 mph 29 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. | 30.0 18.6 | 13.6 56 | No precipitation No precipitation | 1 | ||||||||||||||
20 | 20.3 69 | 758.0 29.84 1010.58 1010.58 | 762.7 30.03 1016.85 1016.85 | 68 | Wind blowing from the east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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 | 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 | 14.2 58 | No precipitation No precipitation | 1 | ||||||||||||||
19 | 20.9 70 | 758.1 29.85 1010.72 1010.72 | 762.7 30.03 1016.85 1016.85 | 70 | Wind blowing from the east | 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 | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 100%. 10/10. 8 oktas | 17.5 64 | 25.0 77 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 25.0 15.5 | 15.2 59 | No precipitation No precipitation | 12 | ||||||||||||
18 | 21.7 71 | 758.2 29.85 1010.85 1010.85 | 762.7 30.03 1016.85 1016.85 | 72 | Wind blowing from the east-southeast | 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 | 14 m/s 50 km/h 31 mile/hour 27 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. | 21.0 13.1 | 16.5 62 | No precipitation No precipitation | 1 | ||||||||||||||
17 | 22.2 72 | 758.6 29.87 1011.38 1011.38 | 763.1 30.04 1017.38 1017.38 | 68 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 21.0 13.1 | 15.9 61 | No precipitation No precipitation | 1 | ||||||||||||||
16 | 24.1 75 | 758.8 29.87 1011.65 1011.65 | 763.3 30.05 1017.65 1017.65 | 58 | Wind blowing from the east-southeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 15 m/s 54 km/h 34 mph 29 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. | 27.0 16.8 | 15.2 59 | No precipitation No precipitation | 1 | ||||||||||||||
15 | 24.1 75 | 759.3 29.89 1012.32 1012.32 | 763.9 30.07 1018.45 1018.45 | 62 | Wind blowing from the south-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 15 m/s 54 km/h 34 mph 29 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. | 23.0 14.3 | 16.4 62 | No precipitation No precipitation | 1 | ||||||||||||||
14 | 24.0 75 | 759.5 29.9 1012.58 1012.58 | 764.1 30.08 1018.72 1018.72 | 59 | Wind blowing from the east-southeast | 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 | 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. | 24.0 14.9 | 15.5 60 | No precipitation No precipitation | 1 | ||||||||||||||
13 | 23.5 74 | 759.8 29.91 1012.98 1012.98 | 764.4 30.09 1019.12 1019.12 | 62 | Wind blowing from the east | 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 | no clouds no clouds no clouds | 23.0 14.3 | 15.7 60 | No precipitation No precipitation | 6 | ||||||||||||||||
12 | 24.3 76 | 759.7 29.91 1012.85 1012.85 | 764.3 30.09 1018.98 1018.98 | 56 | Wind blowing from the east-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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 | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 26.0 16.2 | 14.9 59 | No precipitation No precipitation | 1 | ||||||||||||||
11 | 24.0 75 | 760.2 29.93 1013.52 1013.52 | 764.8 30.11 1019.65 1019.65 | 57 | Wind blowing from the east-northeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 29.0 18.0 | 14.8 59 | No precipitation No precipitation | 1 | ||||||||||||||
10 | 22.5 73 | 760.3 29.93 1013.65 1013.65 | 764.8 30.11 1019.65 1019.65 | 59 | Wind blowing from the east-northeast | 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 | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 17.3 63 | 22.8 73 | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 26.0 16.2 | 14.0 57 | No precipitation No precipitation | 12 | ||||||||||||
09 | 20.7 69 | 760.6 29.94 1014.05 1014.05 | 765.1 30.12 1020.05 1020.05 | 66 | Wind blowing from the north-east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 21.0 13.1 | 14.1 57 | No precipitation No precipitation | 1 | ||||||||||||||
08 | 18.7 66 | 760.6 29.94 1014.05 1014.05 | 765.2 30.13 1020.18 1020.18 | 72 | Wind blowing from the north-east | 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 | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 22.0 13.7 | 13.6 56 | No precipitation No precipitation | 1 | ||||||||||||||
07 | 17.8 64 | 760.6 29.94 1014.05 1014.05 | 765.2 30.13 1020.18 1020.18 | 75 | Wind blowing from the north-east | 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 | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 60%. 6/10. 5 oktas | 17.3 63 | 22.4 72 | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 23.0 14.3 | 13.3 56 | No precipitation No precipitation | 12 | ||||||||||||
06 | 17.4 63 | 760.7 29.95 1014.18 1014.18 | 765.4 30.13 1020.45 1020.45 | 77 | Wind blowing from the north-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 23.0 14.3 | 13.3 56 | No precipitation No precipitation | 1 | ||||||||||||||
05 | 18.0 64 | 760.8 29.95 1014.32 1014.32 | 765.4 30.13 1020.45 1020.45 | 73 | Wind blowing from the north-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 27.0 16.8 | 13.0 55 | No precipitation No precipitation | 1 | ||||||||||||||
04 | 19.0 66 | 760.9 29.96 1014.45 1014.45 | 765.5 30.14 1020.58 1020.58 | 65 | Wind blowing from the north-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 18 m/s 65 km/h 40 miles/hour 35 knots 8 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 | 12.3 54 | No precipitation No precipitation | 1 | ||||||||||||||
03 | 19.4 67 | 761.2 29.97 1014.85 1014.85 | 765.8 30.15 1020.98 1020.98 | 64 | Wind blowing from the east-northeast | 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 | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 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 | 12.3 54 | No precipitation No precipitation | 1 | ||||||||||||||