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 January 20, Tuesday | 19 | 7.3 45 | 744.2 29.3 992.19 992.19 | 748.9 29.48 998.45 998.45 | -1.2 -0.05 -1.6 -1.6 | 91 | Wind blowing from the south | 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 | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 7.0 4.4 | 5.9 43 | 1.0 0.04 | 1 | |||||||||||
18 | 7.7 46 | 744.8 29.32 992.99 992.99 | 749.5 29.51 999.25 999.25 | -1.4 -0.06 -1.87 -1.87 | 93 | Wind blowing from the south | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 6.9 44 | 9.8 50 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 6.0 3.7 | 6.7 44 | 2.0 0.08 | 12 | ||||||||||
17 | 9.2 49 | 744.6 29.31 992.72 992.72 | 749.3 29.5 998.98 998.98 | -2.2 -0.09 -2.93 -2.93 | 86 | Wind blowing from the south-southeast | Gale (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 | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 8.0 5.0 | 7.0 45 | 0.4 0.02 | 1 | ||||||||||||
16 | 9.2 49 | 745.4 29.35 993.79 993.79 | 750.1 29.53 1000.05 1000.05 | -2.2 -0.09 -2.93 -2.93 | 86 | Wind blowing from the south-southeast | Gale (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 | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 4.3 2.7 | 7.0 45 | 0.4 0.02 | 1 | ||||||||||||
15 | 9.7 49 | 746.2 29.38 994.85 994.85 | 750.8 29.56 1000.98 1000.98 | -2.2 -0.09 -2.93 -2.93 | 78 | Wind blowing from the south-southeast | Gale (18 m/s) (65 km/h) (40 miles/hour) (35 knots) (8 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 13.0 8.1 | 6.1 43 | No precipitation No precipitation | 1 | |||||||||||||
14 | 9.5 49 | 746.8 29.4 995.65 995.65 | 751.5 29.59 1001.92 1001.92 | -2.6 -0.1 -3.47 -3.47 | 80 | Wind blowing from the south-southeast | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 23 m/s 83 km/h 51 mile/hour 45 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 | 300-600 984-1968 | 13.0 8.1 | 6.1 43 | No precipitation No precipitation | 1 | |||||||||||||
13 | 9.3 49 | 747.6 29.43 996.72 996.72 | 752.2 29.61 1002.85 1002.85 | -2.2 -0.09 -2.93 -2.93 | 81 | Wind blowing from the south-southeast | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 23 m/s 83 km/h 51 mile/hour 45 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 | 300-600 984-1968 | 12.0 7.5 | 6.2 43 | No precipitation No precipitation | 1 | |||||||||||||
12 | 9.2 49 | 748.4 29.46 997.78 997.78 | 753.1 29.65 1004.05 1004.05 | -1.7 -0.07 -2.27 -2.27 | 81 | Wind blowing from the south-southeast | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | 40%. 4/10. 3 oktas | Rain (not freezing). | 40%. 4/10. 3 oktas | 2000-2500 6562-8202 | 13.0 8.1 | 6.1 43 | No precipitation No precipitation | 6 | ||||||||||||
11 | 8.8 48 | 749.4 29.5 999.12 999.12 | 754.1 29.69 1005.38 1005.38 | -1.3 -0.05 -1.73 -1.73 | 85 | Wind blowing from the south-southeast | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 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 | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 13.0 8.1 | 6.4 44 | No precipitation No precipitation | 1 | ||||||||||||
10 | 8.9 48 | 749.8 29.52 999.65 999.65 | 754.6 29.71 1006.05 1006.05 | -1.5 -0.06 -2 -2 | 85 | Wind blowing from the south-southeast | 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 | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 13.0 8.1 | 6.4 44 | No precipitation No precipitation | 1 | ||||||||||||
09 | 8.7 48 | 750.1 29.53 1000.05 1000.05 | 754.8 29.72 1006.32 1006.32 | -1.6 -0.06 -2.13 -2.13 | 87 | Wind blowing from the south-southeast | 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 | 20 m/s 72 km/h 45 miles/hour 39 knots 8 Bft | 100%. 10/10. 8 oktas | Drizzle, not freezing, slight. | 8.3 47 | 9.4 49 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 6.7 44 | 2.0 0.08 | 12 | ||||||||||
08 | 8.5 47 | 750.7 29.56 1000.85 1000.85 | 755.4 29.74 1007.12 1007.12 | -1.5 -0.06 -2 -2 | 87 | Wind blowing from the south-southeast | Near gale (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 | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | 15.0 9.3 | 6.4 44 | No precipitation No precipitation | 1 | |||||||||||||
07 | 8.6 47 | 751.3 29.58 1001.65 1001.65 | 756.1 29.77 1008.05 1008.05 | -1.2 -0.05 -1.6 -1.6 | 85 | Wind blowing from the south-southeast | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 15 m/s 54 km/h 34 mph 29 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 | 300-600 984-1968 | 15.0 9.3 | 6.2 43 | No precipitation No precipitation | 1 | |||||||||||||
06 | 8.5 47 | 751.7 29.59 1002.18 1002.18 | 756.4 29.78 1008.45 1008.45 | -1.1 -0.04 -1.47 -1.47 | 87 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 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 | 60%. 6/10. 5 oktas | 8.2 47 | 9.4 49 | 60%. 6/10. 5 oktas | 300-600 984-1968 | 17.0 10.6 | 6.4 44 | 2.0 0.08 | 12 | |||||||||||
05 | 8.4 47 | 752.2 29.61 1002.85 1002.85 | 756.9 29.8 1009.12 1009.12 | -0.9 -0.04 -1.2 -1.2 | 87 | Wind blowing from the south | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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 | 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 | 300-600 984-1968 | 25.0 15.5 | 6.3 43 | No precipitation No precipitation | 1 | |||||||||||||
04 | 8.5 47 | 752.5 29.63 1003.25 1003.25 | 757.3 29.81 1009.65 1009.65 | -0.9 -0.04 -1.2 -1.2 | 89 | Wind blowing from the south | 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 | 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 | 300-600 984-1968 | 22.0 13.7 | 6.8 44 | No precipitation No precipitation | 1 | |||||||||||||
03 | 8.6 47 | 752.8 29.64 1003.65 1003.65 | 757.6 29.83 1010.05 1010.05 | -0.8 -0.03 -1.07 -1.07 | 90 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 60%. 6/10. 5 oktas | 60%. 6/10. 5 oktas | 300-600 984-1968 | 15.0 9.3 | 7.0 45 | 0.2 0.01 | 1 | |||||||||||||
02 | 8.7 48 | 753.1 29.65 1004.05 1004.05 | 757.9 29.84 1010.45 1010.45 | -0.7 -0.03 -0.93 -0.93 | 93 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | Rain (not freezing). | 70 – 80%. 7/10 – 8/10. 6 oktas | 600-1000 1968-3281 | 21.0 13.1 | 7.6 46 | 1.0 0.04 | 1 | ||||||||||||
01 | 9.1 48 | 753.4 29.66 1004.45 1004.45 | 758.2 29.85 1010.85 1010.85 | -0.9 -0.04 -1.2 -1.2 | 93 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 200-300 656-984 | 12.0 7.5 | 8.0 46 | No precipitation No precipitation | 1 | ||||||||||||
00 | 9.1 48 | 753.6 29.67 1004.72 1004.72 | 758.3 29.85 1010.98 1010.98 | -0.8 -0.03 -1.07 -1.07 | 94 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 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 | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 200-300 656-984 | 17.0 10.6 | 8.1 47 | 0.2 0.01 | 6 | ||||||||||||
| January 19, Monday | 23 | 9.3 49 | 753.8 29.68 1004.98 1004.98 | 758.5 29.86 1011.25 1011.25 | -0.6 -0.02 -0.8 -0.8 | 92 | Wind blowing from the south-southeast | 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 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | 8.0 46 | No precipitation No precipitation | 1 | ||||||||||||
22 | 9.2 49 | 754.3 29.7 1005.65 1005.65 | 759.0 29.88 1011.92 1011.92 | -0.3 -0.01 -0.4 -0.4 | 94 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 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 | 600-1000 1968-3281 | 15.0 9.3 | 8.2 47 | No precipitation No precipitation | 1 | |||||||||||||
21 | 8.9 48 | 754.4 29.7 1005.78 1005.78 | 759.1 29.89 1012.05 1012.05 | 0.1 0 0.13 0.13 | 94 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 100%. 10/10. 8 oktas | 8.2 47 | 9.9 50 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 22.0 13.7 | 8.0 46 | 2.0 0.08 | 12 | |||||||||||
20 | 8.8 48 | 754.4 29.7 1005.78 1005.78 | 759.1 29.89 1012.05 1012.05 | -0.1 -0 -0.13 -0.13 | 97 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 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 | 21.0 13.1 | 8.3 47 | No precipitation No precipitation | 1 | |||||||||||||
19 | 8.7 48 | 754.6 29.71 1006.05 1006.05 | 759.4 29.9 1012.45 1012.45 | 0.3 0.01 0.4 0.4 | 98 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 200-300 656-984 | 24.0 14.9 | 8.4 47 | No precipitation No precipitation | 1 | |||||||||||||