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 16, Saturday | 03 | 8.9 48 | 752.8 29.64 1003.65 1003.65 | 757.5 29.82 1009.92 1009.92 | 77 | Wind blowing from the north-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 | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 70 – 80%. 7/10 – 8/10. 6 oktas | 2000-2500 6562-8202 | 29.0 18.0 | 5.0 41 | No precipitation No precipitation | 1 | |||||||||||||
01 | 9.2 49 | 752.8 29.64 1003.65 1003.65 | 757.6 29.83 1010.05 1010.05 | 66 | Wind blowing from the north-northwest | 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 | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | no clouds no clouds no clouds | 30.0 18.6 | 3.1 38 | No precipitation No precipitation | 6 | ||||||||||||||||
00 | 9.5 49 | 752.6 29.63 1003.38 1003.38 | 757.3 29.81 1009.65 1009.65 | 65 | Wind blowing from the north-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 | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | 30.0 18.6 | 3.2 38 | No precipitation No precipitation | 1 | ||||||||||||||
| May 15, Friday | 23 | 10.1 50 | 752.5 29.63 1003.25 1003.25 | 757.3 29.81 1009.65 1009.65 | 62 | Wind blowing from the north-west | 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 | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | no clouds no clouds no clouds | 30.0 18.6 | 3.1 38 | No precipitation No precipitation | 1 | |||||||||||||||
21 | 11.0 52 | 752.2 29.61 1002.85 1002.85 | 756.9 29.8 1009.12 1009.12 | 56 | Wind blowing from the north-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 | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | no clouds no clouds no clouds | 30.0 18.6 | 2.4 36 | No precipitation No precipitation | 1 | ||||||||||||||||
20 | 12.1 54 | 751.9 29.6 1002.45 1002.45 | 756.5 29.78 1008.58 1008.58 | 54 | Wind blowing from the north-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 | 23 m/s 83 km/h 51 mile/hour 45 knots 9 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 | 2.9 37 | No precipitation No precipitation | 1 | ||||||||||||||
19 | 13.0 55 | 751.6 29.59 1002.05 1002.05 | 756.3 29.78 1008.32 1008.32 | 57 | Wind blowing from the north-west | 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 7.0 45 | 14.9 59 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1500-2000 4921-6562 | 28.0 17.4 | 4.7 40 | No precipitation No precipitation | 12 | ||||||||||||
18 | 12.8 55 | 751.6 29.59 1002.05 1002.05 | 756.3 29.78 1008.32 1008.32 | 58 | Wind blowing from the west | 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 | 24 m/s 86 km/h 54 mph 47 knots 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 | 1500-2000 4921-6562 | 28.0 17.4 | 4.7 40 | No precipitation No precipitation | 1 | ||||||||||||||
17 | 13.2 56 | 751.5 29.59 1001.92 1001.92 | 756.1 29.77 1008.05 1008.05 | 57 | Wind blowing from the west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 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 | 4.9 41 | No precipitation No precipitation | 1 | ||||||||||||||
16 | 13.7 57 | 751.7 29.59 1002.18 1002.18 | 756.4 29.78 1008.45 1008.45 | 51 | Wind blowing from the west | 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 | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2000-2500 6562-8202 | 30.0 18.6 | 3.8 39 | No precipitation No precipitation | 1 | ||||||||||||||
15 | 13.5 56 | 752.2 29.61 1002.85 1002.85 | 756.9 29.8 1009.12 1009.12 | 65 | Wind blowing from the west-southwest | 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 | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | 6.9 44 | No precipitation No precipitation | 1 | ||||||||||||||
14 | 11.0 52 | 752.2 29.61 1002.85 1002.85 | 757.0 29.8 1009.25 1009.25 | 63 | Wind blowing from the west-southwest | 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 | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 30.0 18.6 | 4.1 39 | No precipitation No precipitation | 1 | |||||||||||||
13 | 10.7 51 | 752.5 29.63 1003.25 1003.25 | 757.2 29.81 1009.52 1009.52 | 74 | Wind blowing from the west | 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 | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 23.0 14.3 | 6.3 43 | No precipitation No precipitation | 6 | |||||||||||||
12 | 12.3 54 | 752.3 29.62 1002.98 1002.98 | 757.0 29.8 1009.25 1009.25 | 61 | Wind blowing from the 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 | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | 35.0 21.8 | 4.9 41 | No precipitation No precipitation | 1 | |||||||||||||||
11 | 11.4 53 | 752.3 29.62 1002.98 1002.98 | 757.0 29.8 1009.25 1009.25 | 62 | Wind blowing from the west-northwest | 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 | 12 m/s 43 km/h 27 miles/hour 23 knots 6 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 | 4.4 40 | No precipitation No precipitation | 1 | ||||||||||||||
10 | 11.8 53 | 752.2 29.61 1002.85 1002.85 | 756.9 29.8 1009.12 1009.12 | 61 | Wind blowing from the north-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 | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 20–30%. 2/10–3/10. 2 oktas | 6.8 44 | 11.8 53 | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | 4.5 40 | No precipitation No precipitation | 12 | ||||||||||||
09 | 10.1 50 | 752.0 29.61 1002.58 1002.58 | 756.7 29.79 1008.85 1008.85 | 70 | Wind blowing from the north | 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 | no clouds no clouds no clouds | 27.0 16.8 | 4.8 41 | No precipitation No precipitation | 1 | ||||||||||||||||
08 | 8.3 47 | 751.7 29.59 1002.18 1002.18 | 756.4 29.78 1008.45 1008.45 | 81 | Wind blowing from the north | 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 | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | no clouds no clouds no clouds | 27.0 16.8 | 5.2 41 | No precipitation No precipitation | 1 | ||||||||||||||||
07 | 7.0 45 | 751.3 29.58 1001.65 1001.65 | 756.1 29.77 1008.05 1008.05 | 85 | Wind blowing from the north | 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 | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 6.8 44 | 11.3 52 | 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. | 23.0 14.3 | 4.6 40 | No precipitation No precipitation | 12 | ||||||||||||
06 | 7.0 45 | 750.9 29.56 1001.12 1001.12 | 755.7 29.75 1007.52 1007.52 | 84 | 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 | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | no clouds no clouds no clouds | 29.0 18.0 | 4.5 40 | No precipitation No precipitation | 1 | ||||||||||||||||
05 | 7.5 46 | 750.4 29.54 1000.45 1000.45 | 755.2 29.73 1006.85 1006.85 | 84 | Wind blowing from the north-northwest | 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 | no clouds no clouds no clouds | 30.0 18.6 | 5.0 41 | No precipitation No precipitation | 1 | ||||||||||||||||
04 | 7.6 46 | 750.2 29.54 1000.18 1000.18 | 754.9 29.72 1006.45 1006.45 | 83 | Wind blowing from the north | 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 | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | no clouds no clouds no clouds | 27.0 16.8 | 4.9 41 | No precipitation No precipitation | 1 | ||||||||||||||||
03 | 7.9 46 | 749.9 29.52 999.78 999.78 | 754.6 29.71 1006.05 1006.05 | 83 | Wind blowing from the north-northwest | 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 | 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 | 600-1000 1968-3281 | 30.0 18.6 | 5.1 41 | No precipitation No precipitation | 1 | ||||||||||||||