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 | |
| 2025 December 8, Monday | 09 | 12.6 55 | 751.5 29.59 1001.92 1001.92 | 756.1 29.77 1008.05 1008.05 | 0.8 0.03 1.07 1.07 | 95 | Wind blowing from the south-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | 12.0 54 | 12.7 55 | 70 – 80%. 7/10 – 8/10. 6 oktas | 100-200 328-656 | 5.0 3.1 | 11.8 53 | No precipitation No precipitation | 12 | |||||||||
08 | 12.5 55 | 751.3 29.58 1001.65 1001.65 | 755.9 29.76 1007.78 1007.78 | 0.9 0.04 1.2 1.2 | 94 | Wind blowing from the south-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 7.0 4.4 | 11.6 53 | No precipitation No precipitation | 1 | ||||||||||||
07 | 12.5 55 | 750.7 29.56 1000.85 1000.85 | 755.5 29.74 1007.25 1007.25 | 0.1 0 0.13 0.13 | 94 | Wind blowing from the west-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 8.0 5.0 | 11.5 53 | No precipitation No precipitation | 1 | ||||||||||||
06 | 12.6 55 | 750.7 29.56 1000.85 1000.85 | 755.3 29.74 1006.98 1006.98 | 0.0 0 0 0 | 93 | Wind blowing from the south-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 11.9 53 | 12.6 55 | 70 – 80%. 7/10 – 8/10. 6 oktas | 200-300 656-984 | 9.0 5.6 | 11.5 53 | No precipitation No precipitation | 12 | |||||||||||
05 | 12.4 54 | 750.4 29.54 1000.45 1000.45 | 755.1 29.73 1006.72 1006.72 | -0.1 -0 -0.13 -0.13 | 93 | Wind blowing from the south-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 200-300 656-984 | 11.0 6.8 | 11.3 52 | No precipitation No precipitation | 1 | |||||||||||||
04 | 12.4 54 | 750.6 29.55 1000.72 1000.72 | 755.2 29.73 1006.85 1006.85 | 0.1 0 0.13 0.13 | 94 | Wind blowing from the south-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 11.0 6.8 | 11.4 53 | No precipitation No precipitation | 1 | ||||||||||||
03 | 12.3 54 | 750.7 29.56 1000.85 1000.85 | 755.3 29.74 1006.98 1006.98 | 0.3 0.01 0.4 0.4 | 95 | Wind blowing from the south-west | Fresh breeze (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 | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 9.0 5.6 | 11.5 53 | No precipitation No precipitation | 1 | ||||||||||||
02 | 12.4 54 | 750.5 29.55 1000.58 1000.58 | 755.2 29.73 1006.85 1006.85 | 0.2 0.01 0.27 0.27 | 94 | Wind blowing from the south-west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 8.0 5.0 | 11.4 53 | No precipitation No precipitation | 1 | ||||||||||||
01 | 12.2 54 | 750.5 29.55 1000.58 1000.58 | 755.2 29.73 1006.85 1006.85 | 0.7 0.03 0.93 0.93 | 94 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 8.0 5.0 | 11.2 52 | No precipitation No precipitation | 1 | ||||||||||||
00 | 12.2 54 | 750.4 29.54 1000.45 1000.45 | 755.1 29.73 1006.72 1006.72 | 0.8 0.03 1.07 1.07 | 93 | Wind blowing from the south-west | Fresh breeze (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 | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | Mist. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | 6.0 3.7 | 11.1 52 | No precipitation No precipitation | 6 | ||||||||||||
| December 7, Sunday | 23 | 12.1 54 | 750.3 29.54 1000.32 1000.32 | 754.9 29.72 1006.45 1006.45 | 1.1 0.04 1.47 1.47 | 93 | Wind blowing from the west-southwest | Fresh breeze (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 | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 40%. 4/10. 3 oktas | Mist. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 5.0 3.1 | 11.0 52 | No precipitation No precipitation | 1 | |||||||||||
22 | 12.1 54 | 749.8 29.52 999.65 999.65 | 754.5 29.7 1005.92 1005.92 | 1.2 0.05 1.6 1.6 | 94 | Wind blowing from the west-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 60%. 6/10. 5 oktas | Mist. | 60%. 6/10. 5 oktas | 200-300 656-984 | 3.8 2.4 | 11.1 52 | No precipitation No precipitation | 1 | ||||||||||||
21 | 12.2 54 | 749.6 29.51 999.38 999.38 | 754.3 29.7 1005.65 1005.65 | 1.6 0.06 2.13 2.13 | 92 | Wind blowing from the west-southwest | Fresh breeze (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 | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Mist. | 11.9 53 | 13.8 57 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 4.9 3.0 | 10.9 52 | 2.0 0.08 | 12 | ||||||||||
20 | 12.3 54 | 749.2 29.5 998.85 998.85 | 753.8 29.68 1004.98 1004.98 | 2.1 0.08 2.8 2.8 | 88 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 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 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Mist. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 12.0 7.5 | 10.3 51 | No precipitation No precipitation | 1 | ||||||||||||
19 | 12.0 54 | 748.6 29.47 998.05 998.05 | 753.2 29.65 1004.18 1004.18 | 2.7 0.11 3.6 3.6 | 89 | Wind blowing from the west-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 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 | no clouds no clouds no clouds | Mist. | 7.0 4.4 | 10.2 50 | No precipitation No precipitation | 1 | ||||||||||||||
18 | 12.2 54 | 748.0 29.45 997.25 997.25 | 752.7 29.63 1003.52 1003.52 | 3.3 0.13 4.4 4.4 | 87 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 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 | no clouds no clouds no clouds | Mist. | 11.6 53 | 13.8 57 | 5.0 3.1 | 10.0 50 | 4.0 0.16 | 12 | ||||||||||||
17 | 12.4 54 | 747.1 29.41 996.05 996.05 | 751.7 29.59 1002.18 1002.18 | 2.7 0.11 3.6 3.6 | 88 | Wind blowing from the west | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 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 | 40%. 4/10. 3 oktas | Mist. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | 7.0 4.4 | 10.5 51 | No precipitation No precipitation | 1 | ||||||||||||
16 | 12.8 55 | 745.9 29.37 994.45 994.45 | 750.6 29.55 1000.72 1000.72 | 1.7 0.07 2.27 2.27 | 87 | Wind blowing from the west-southwest | Near gale (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 | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 40%. 4/10. 3 oktas | Mist. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | 7.0 4.4 | 10.7 51 | No precipitation No precipitation | 1 | ||||||||||||
15 | 13.4 56 | 744.7 29.32 992.85 992.85 | 749.4 29.5 999.12 999.12 | 0.3 0.01 0.4 0.4 | 87 | Wind blowing from the west-southwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 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 | Mist. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 8.0 5.0 | 11.2 52 | No precipitation No precipitation | 1 | ||||||||||||
14 | 13.6 56 | 744.4 29.31 992.45 992.45 | 749.0 29.49 998.58 998.58 | -0.5 -0.02 -0.67 -0.67 | 94 | Wind blowing from the west-southwest | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 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 | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 5.0 3.1 | 12.6 55 | No precipitation No precipitation | 1 | ||||||||||||
13 | 13.5 56 | 744.2 29.3 992.19 992.19 | 748.8 29.48 998.32 998.32 | -1.0 -0.04 -1.33 -1.33 | 97 | Wind blowing from the south-west | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 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 | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 50-100 164-328 | 4.5 2.8 | 13.0 55 | No precipitation No precipitation | 1 | ||||||||||||
12 | 13.4 56 | 744.4 29.31 992.45 992.45 | 749.0 29.49 998.58 998.58 | -0.9 -0.04 -1.2 -1.2 | 97 | Wind blowing from the south-west | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 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 | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 100-200 328-656 | 3.9 2.4 | 13.0 55 | 4.0 0.16 | 6 | ||||||||||||
11 | 13.2 56 | 744.9 29.33 993.12 993.12 | 749.5 29.51 999.25 999.25 | -0.1 -0 -0.13 -0.13 | 97 | Wind blowing from the south-west | Strong breeze (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 | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 50-100 164-328 | 2.5 1.6 | 12.8 55 | 0.6 0.02 | 1 | ||||||||||||
10 | 13.3 56 | 745.2 29.34 993.52 993.52 | 749.8 29.52 999.65 999.65 | 0.2 0.01 0.27 0.27 | 97 | Wind blowing from the south-west | Strong breeze (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 | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 50-100 164-328 | 7.0 4.4 | 12.9 55 | No precipitation No precipitation | 1 | ||||||||||||
09 | 13.1 56 | 745.3 29.34 993.65 993.65 | 749.9 29.52 999.78 999.78 | -0.1 -0 -0.13 -0.13 | 97 | Wind blowing from the west-southwest | Strong breeze (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 | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 100%. 10/10. 8 oktas | Drizzle, not freezing, heavy. | 10.7 51 | 13.1 56 | 100%. 10/10. 8 oktas | Less than 50 Less than 50 | 1.7 1.1 | 12.7 55 | 7.0 0.28 | 12 | ||||||||||