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 May 11, Monday | 00 | 8.9 48 | 755.7 29.75 1007.52 1007.52 | 760.5 29.94 1013.92 1013.92 | 63 | Wind blowing from the north-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 | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | no clouds no clouds no clouds | 30.0 18.6 | 2.1 36 | No precipitation No precipitation | 1 | |||||||||||||||
| May 10, Sunday | 23 | 9.7 49 | 755.7 29.75 1007.52 1007.52 | 760.4 29.94 1013.78 1013.78 | 62 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 | no clouds no clouds no clouds | 30.0 18.6 | 2.7 37 | No precipitation No precipitation | 1 | |||||||||||||||
22 | 10.8 51 | 755.7 29.75 1007.52 1007.52 | 760.4 29.94 1013.78 1013.78 | 58 | 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 | no clouds no clouds no clouds | 10.7 51 | 16.5 62 | 35.0 21.8 | 2.9 37 | No precipitation No precipitation | 12 | ||||||||||||||
21 | 11.4 53 | 755.4 29.74 1007.12 1007.12 | 760.1 29.93 1013.38 1013.38 | 59 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | no clouds no clouds no clouds | 35.0 21.8 | 3.6 38 | No precipitation No precipitation | 1 | ||||||||||||||||
20 | 12.5 55 | 755.3 29.74 1006.98 1006.98 | 760.0 29.92 1013.25 1013.25 | 58 | 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 | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 35.0 21.8 | 4.3 40 | No precipitation No precipitation | 1 | ||||||||||||||
19 | 13.2 56 | 755.4 29.74 1007.12 1007.12 | 760.0 29.92 1013.25 1013.25 | 59 | Wind blowing from the north-northeast | 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 | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 100%. 10/10. 8 oktas | 9.3 49 | 16.5 62 | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 30.0 18.6 | 5.3 42 | No precipitation No precipitation | 12 | ||||||||||||
18 | 14.0 57 | 755.3 29.74 1006.98 1006.98 | 760.0 29.92 1013.25 1013.25 | 58 | Wind blowing from the north-east | 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 | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 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 | 1000-1500 3281-4921 | 30.0 18.6 | 5.7 42 | No precipitation No precipitation | 1 | ||||||||||||||
17 | 14.1 57 | 755.5 29.74 1007.25 1007.25 | 760.3 29.93 1013.65 1013.65 | 60 | Wind blowing from the north-east | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 30.0 18.6 | 6.3 43 | No precipitation No precipitation | 1 | ||||||||||||||
16 | 14.9 59 | 755.7 29.75 1007.52 1007.52 | 760.3 29.93 1013.65 1013.65 | 57 | 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 | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | 29.0 18.0 | 6.3 43 | No precipitation No precipitation | 1 | ||||||||||||||
15 | 15.5 60 | 756.1 29.77 1008.05 1008.05 | 760.8 29.95 1014.32 1014.32 | 58 | Wind blowing from the east-northeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | 27.0 16.8 | 7.3 45 | No precipitation No precipitation | 1 | ||||||||||||||
14 | 15.5 60 | 756.4 29.78 1008.45 1008.45 | 761.0 29.96 1014.58 1014.58 | 58 | Wind blowing from the east | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | no clouds no clouds no clouds | 27.0 16.8 | 7.2 45 | No precipitation No precipitation | 1 | ||||||||||||||||
13 | 14.4 58 | 756.7 29.79 1008.85 1008.85 | 761.5 29.98 1015.25 1015.25 | 59 | Wind blowing from the east-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 | 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 | 27.0 16.8 | 6.5 44 | No precipitation No precipitation | 6 | ||||||||||||||
12 | 16.1 61 | 757.0 29.8 1009.25 1009.25 | 761.7 29.99 1015.52 1015.52 | 55 | Wind blowing from the east-northeast | 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 | 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. | 26.0 16.2 | 7.1 45 | No precipitation No precipitation | 1 | ||||||||||||||
11 | 14.3 58 | 757.1 29.81 1009.38 1009.38 | 761.8 29.99 1015.65 1015.65 | 61 | Wind blowing from the north-east | 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 | 28 m/s 101 km/h 63 mph 54 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. | 23.0 14.3 | 6.8 44 | No precipitation No precipitation | 1 | ||||||||||||||
10 | 12.4 54 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | 65 | Wind blowing from the north-east | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 9.3 49 | 16.5 62 | 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. | 26.0 16.2 | 6.0 43 | No precipitation No precipitation | 12 | ||||||||||||
09 | 12.3 54 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | 67 | Wind blowing from the north-east | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 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 | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 20.0 12.4 | 6.2 43 | No precipitation No precipitation | 1 | ||||||||||||||
08 | 11.0 52 | 757.1 29.81 1009.38 1009.38 | 761.9 30 1015.78 1015.78 | 75 | Wind blowing from the north-east | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 20.0 12.4 | 6.7 44 | No precipitation No precipitation | 1 | ||||||||||||||
07 | 9.3 49 | 757.0 29.8 1009.25 1009.25 | 761.8 29.99 1015.65 1015.65 | 81 | Wind blowing from the north-east | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 100%. 10/10. 8 oktas | 9.3 49 | 16.5 62 | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 17.0 10.6 | 6.1 43 | No precipitation No precipitation | 12 | ||||||||||||
06 | 9.7 49 | 757.0 29.8 1009.25 1009.25 | 761.7 29.99 1015.52 1015.52 | 80 | Wind blowing from the north-east | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 27 m/s 97 km/h 60 miles/hour 52 knots 10 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. | 18.0 11.2 | 6.3 43 | No precipitation No precipitation | 1 | ||||||||||||||
05 | 10.3 51 | 757.0 29.8 1009.25 1009.25 | 761.8 29.99 1015.65 1015.65 | 71 | Wind blowing from the north-east | 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 | 27 m/s 97 km/h 60 miles/hour 52 knots 10 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. | 26.0 16.2 | 5.2 41 | No precipitation No precipitation | 1 | ||||||||||||||
04 | 12.2 54 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | 59 | Wind blowing from the north-east | 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 | 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 | 4.3 40 | No precipitation No precipitation | 1 | ||||||||||||||
03 | 13.1 56 | 757.3 29.81 1009.65 1009.65 | 762.1 30 1016.05 1016.05 | 56 | Wind blowing from the east-northeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 30.0 18.6 | 4.5 40 | No precipitation No precipitation | 1 | ||||||||||||||
02 | 13.4 56 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | 53 | Wind blowing from the north-east | 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 | 20 m/s 72 km/h 45 miles/hour 39 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 | 4.0 39 | No precipitation No precipitation | 1 | ||||||||||||||
01 | 14.1 57 | 757.3 29.81 1009.65 1009.65 | 762.0 30 1015.92 1015.92 | 56 | Wind blowing from the east | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 22 m/s 79 km/h 49 miles/hour 43 knots 9 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 | 5.3 42 | No precipitation No precipitation | 6 | ||||||||||||||
00 | 14.2 58 | 757.3 29.81 1009.65 1009.65 | 762.1 30 1016.05 1016.05 | 71 | Wind blowing from the east-northeast | 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 | 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. | 23.0 14.3 | 9.0 48 | No precipitation No precipitation | 1 | ||||||||||||||