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 16, Wednesday | 05 | 15.3 60 | 760.7 29.95 1014.18 1014.18 | 765.4 30.13 1020.45 1020.45 | 85 | Wind blowing from the north-west | 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 | 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 | 2000-2500 6562-8202 | 30.0 18.6 | 12.8 55 | No precipitation No precipitation | 1 | |||||||||||||
04 | 16.0 61 | 760.4 29.94 1013.78 1013.78 | 765.1 30.12 1020.05 1020.05 | 86 | Wind blowing from the north-west | 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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 30.0 18.6 | 13.6 56 | No precipitation No precipitation | 1 | ||||||||||||||
| September 15, Tuesday | 22 | 16.4 62 | 759.9 29.92 1013.12 1013.12 | 764.5 30.1 1019.25 1019.25 | 75 | Wind blowing from the north-west | 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 | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 20–30%. 2/10–3/10. 2 oktas | 16.3 61 | 20.0 68 | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 28.0 17.4 | 12.0 54 | No precipitation No precipitation | 12 | |||||||||||
21 | 16.9 62 | 759.5 29.9 1012.58 1012.58 | 764.2 30.09 1018.85 1018.85 | 71 | 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 | 24 m/s 86 km/h 54 mph 47 knots 9 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 | 29.0 18.0 | 11.6 53 | No precipitation No precipitation | 1 | ||||||||||||||
14 | 19.5 67 | 758.3 29.85 1010.98 1010.98 | 763.0 30.04 1017.25 1017.25 | 69 | Wind blowing from the west | 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 | 24 m/s 86 km/h 54 mph 47 knots 9 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 | 1500-2000 4921-6562 | 30.0 18.6 | 13.7 57 | No precipitation No precipitation | 1 | ||||||||||||||
12 | 18.8 66 | 758.4 29.86 1011.12 1011.12 | 763.0 30.04 1017.25 1017.25 | 72 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 40%. 4/10. 3 oktas | 300-600 984-1968 | 28.0 17.4 | 13.7 57 | No precipitation No precipitation | 1 | ||||||||||||||
11 | 17.9 64 | 758.4 29.86 1011.12 1011.12 | 763.0 30.04 1017.25 1017.25 | 80 | Wind blowing from the north-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 | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 26.0 16.2 | 14.3 58 | No precipitation No precipitation | 1 | |||||||||||||
10 | 17.5 64 | 758.2 29.85 1010.85 1010.85 | 762.8 30.03 1016.98 1016.98 | 89 | Wind blowing from the west-northwest | 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 | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | 100%. 10/10. 8 oktas | Drizzle (not freezing) or snow grains. | 15.8 60 | 18.1 65 | 100%. 10/10. 8 oktas | 50-100 164-328 | 28.0 17.4 | 15.7 60 | 0.2 0.01 | 12 | |||||||||||
09 | 17.9 64 | 758.1 29.85 1010.72 1010.72 | 762.7 30.03 1016.85 1016.85 | 96 | Wind blowing from the west-southwest | 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 | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 100-200 328-656 | 9.0 5.6 | 17.2 63 | No precipitation No precipitation | 1 | |||||||||||||
08 | 17.8 64 | 758.2 29.85 1010.85 1010.85 | 762.8 30.03 1016.98 1016.98 | 92 | Wind blowing from the west-southwest | 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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 200-300 656-984 | 22.0 13.7 | 16.5 62 | No precipitation No precipitation | 1 | ||||||||||||||
07 | 17.5 64 | 758.2 29.85 1010.85 1010.85 | 762.8 30.03 1016.98 1016.98 | 92 | Wind blowing from the west-southwest | 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 | 21 m/s 76 km/h 47 miles/hour 41 mile/hour 9 Bft | 100%. 10/10. 8 oktas | 15.8 60 | 17.8 64 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 20.0 12.4 | 16.2 61 | No precipitation No precipitation | 12 | ||||||||||||
06 | 17.2 63 | 758.2 29.85 1010.85 1010.85 | 762.9 30.04 1017.12 1017.12 | 90 | Wind blowing from the west-southwest | 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 | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 20–30%. 2/10–3/10. 2 oktas | 20–30%. 2/10–3/10. 2 oktas | 200-300 656-984 | 30.0 18.6 | 15.6 60 | No precipitation No precipitation | 1 | ||||||||||||||
05 | 17.1 63 | 758.5 29.86 1011.25 1011.25 | 763.1 30.04 1017.38 1017.38 | 93 | Wind blowing from the west-southwest | 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 | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 200-300 656-984 | 27.0 16.8 | 15.9 61 | No precipitation No precipitation | 1 | ||||||||||||||