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 September 19, Saturday | 23 | 17.8 64 | 761.1 29.96 1014.72 1014.72 | 765.7 30.15 1020.85 1020.85 | 98 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 50-100 164-328 | 6.0 3.7 | 17.4 63 | No precipitation No precipitation | 1 | |||||||||||||
22 | 17.8 64 | 761.0 29.96 1014.58 1014.58 | 765.7 30.15 1020.85 1020.85 | 98 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft | 100%. 10/10. 8 oktas | Mist. | 17.7 64 | 19.5 67 | 100%. 10/10. 8 oktas | 50-100 164-328 | 8.0 5.0 | 17.4 63 | No precipitation No precipitation | 12 | ||||||||||||
21 | 17.8 64 | 760.9 29.96 1014.45 1014.45 | 765.6 30.14 1020.72 1020.72 | 98 | Wind blowing from the west-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 26 m/s 94 km/h 58 miles/hour 51 mile/hour 10 Bft | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 100-200 328-656 | 7.0 4.4 | 17.4 63 | No precipitation No precipitation | 1 | |||||||||||||
20 | 17.8 64 | 760.5 29.94 1013.92 1013.92 | 765.1 30.12 1020.05 1020.05 | 98 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 29 m/s 104 km/h 65 miles/hour 56 knots 11 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 50-100 164-328 | 7.0 4.4 | 17.5 64 | No precipitation No precipitation | 1 | ||||||||||||||
19 | 17.8 64 | 760.1 29.93 1013.38 1013.38 | 764.8 30.11 1019.65 1019.65 | 98 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 100%. 10/10. 8 oktas | Mist. | 17.1 63 | 19.5 67 | 100%. 10/10. 8 oktas | 50-100 164-328 | 9.0 5.6 | 17.4 63 | No precipitation No precipitation | 12 | ||||||||||||
18 | 17.9 64 | 759.7 29.91 1012.85 1012.85 | 764.3 30.09 1018.98 1018.98 | 96 | Wind blowing from the west-southwest | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 50-100 164-328 | 9.0 5.6 | 17.3 63 | No precipitation No precipitation | 1 | ||||||||||||||
17 | 18.0 64 | 759.7 29.91 1012.85 1012.85 | 764.3 30.09 1018.98 1018.98 | 95 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 100-200 328-656 | 8.0 5.0 | 17.1 63 | No precipitation No precipitation | 1 | ||||||||||||||
16 | 18.3 65 | 759.4 29.9 1012.45 1012.45 | 764.0 30.08 1018.58 1018.58 | 92 | Wind blowing from the west-southwest | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 36 m/s 130 km/h 81 mile/hour 70 knots 12 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 100-200 328-656 | 9.0 5.6 | 17.0 63 | No precipitation No precipitation | 1 | |||||||||||||||
15 | 18.6 65 | 759.3 29.89 1012.32 1012.32 | 763.9 30.07 1018.45 1018.45 | 88 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 10.0 6.2 | 16.5 62 | No precipitation No precipitation | 1 | |||||||||||||||
14 | 18.8 66 | 759.2 29.89 1012.18 1012.18 | 763.9 30.07 1018.45 1018.45 | 87 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 16.5 62 | No precipitation No precipitation | 1 | |||||||||||||||
13 | 18.6 65 | 759.1 29.89 1012.05 1012.05 | 763.7 30.07 1018.18 1018.18 | 86 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 35 m/s 126 km/h 78 miles/hour 68 knots 12 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 10.0 6.2 | 16.2 61 | No precipitation No precipitation | 6 | |||||||||||||||
12 | 18.4 65 | 758.6 29.87 1011.38 1011.38 | 763.3 30.05 1017.65 1017.65 | 84 | Wind blowing from the west-southwest | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 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 | 15.7 60 | No precipitation No precipitation | 1 | |||||||||||||||
11 | 18.5 65 | 758.6 29.87 1011.38 1011.38 | 763.2 30.05 1017.52 1017.52 | 84 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 29 m/s 104 km/h 65 miles/hour 56 knots 11 Bft | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 15.8 60 | No precipitation No precipitation | 1 | |||||||||||||||
10 | 18.2 65 | 758.3 29.85 1010.98 1010.98 | 763.0 30.04 1017.25 1017.25 | 84 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 16.9 62 | 18.3 65 | 70 – 80%. 7/10 – 8/10. 6 oktas | 1000-1500 3281-4921 | 14.0 8.7 | 15.5 60 | 0.4 0.02 | 12 | |||||||||||||
09 | 17.7 64 | 757.9 29.84 1010.45 1010.45 | 762.5 30.02 1016.58 1016.58 | 86 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 300-600 984-1968 | 10.0 6.2 | 15.4 60 | No precipitation No precipitation | 1 | |||||||||||||||
08 | 17.3 63 | 757.6 29.83 1010.05 1010.05 | 762.2 30.01 1016.18 1016.18 | 85 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft | 40%. 4/10. 3 oktas | 40%. 4/10. 3 oktas | 300-600 984-1968 | 13.0 8.1 | 14.7 58 | No precipitation No precipitation | 1 | |||||||||||||||
07 | 17.1 63 | 757.3 29.81 1009.65 1009.65 | 761.9 30 1015.78 1015.78 | 88 | Wind blowing from the west | 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 | 29 m/s 104 km/h 65 miles/hour 56 knots 11 Bft | 100%. 10/10. 8 oktas | Precipitation | 16.9 62 | 17.6 64 | 100%. 10/10. 8 oktas | 200-300 656-984 | 19.0 11.8 | 15.1 59 | 0.4 0.02 | 12 | |||||||||||
06 | 17.3 63 | 757.1 29.81 1009.38 1009.38 | 761.8 29.99 1015.65 1015.65 | 96 | Wind blowing from the west | 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 | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 100-200 328-656 | 8.0 5.0 | 16.6 62 | 0.2 0.01 | 1 | |||||||||||||
05 | 17.2 63 | 757.0 29.8 1009.25 1009.25 | 761.7 29.99 1015.52 1015.52 | 99 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 33 m/s 119 km/h 74 mph 64 knots 12 Bft | 100%. 10/10. 8 oktas | Rain. | 100%. 10/10. 8 oktas | 50-100 164-328 | 2.1 1.3 | 17.1 63 | 0.2 0.01 | 1 | ||||||||||||||
04 | 17.1 63 | 757.2 29.81 1009.52 1009.52 | 761.8 29.99 1015.65 1015.65 | 98 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft | 100%. 10/10. 8 oktas | Drizzle, not freezing, heavy. | 100%. 10/10. 8 oktas | 50-100 164-328 | 3.5 2.2 | 16.8 62 | No precipitation No precipitation | 1 | ||||||||||||||
03 | 17.3 63 | 757.3 29.81 1009.65 1009.65 | 761.9 30 1015.78 1015.78 | 96 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 100-200 328-656 | 8.0 5.0 | 16.7 62 | No precipitation No precipitation | 1 | ||||||||||||||
02 | 17.3 63 | 757.2 29.81 1009.52 1009.52 | 761.8 29.99 1015.65 1015.65 | 95 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 33 m/s 119 km/h 74 mph 64 knots 12 Bft | 100%. 10/10. 8 oktas | Precipitation | 100%. 10/10. 8 oktas | 100-200 328-656 | 5.0 3.1 | 16.5 62 | No precipitation No precipitation | 1 | ||||||||||||||
01 | 17.5 64 | 757.4 29.82 1009.78 1009.78 | 762.0 30 1015.92 1015.92 | 90 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 200-300 656-984 | 8.0 5.0 | 15.8 60 | No precipitation No precipitation | 6 | ||||||||||||||
00 | 17.4 63 | 757.6 29.83 1010.05 1010.05 | 762.2 30.01 1016.18 1016.18 | 89 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 32 m/s 115 km/h 72 mph 62 knots 11 Bft | 100%. 10/10. 8 oktas | Mist. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 7.0 4.4 | 15.6 60 | No precipitation No precipitation | 1 | ||||||||||||||