Weather archive in Helsinki
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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 September 15, Monday | 18 | 15.4 60 | 755.8 29.76 1007.65 1007.65 | 756.1 29.77 1008.05 1008.05 | 93 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Rain shower(s) or intermittent rain, slight. | Showers or intermittent precipitation. | Rain. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 100-200 328-656 | 25.0 15.5 | 14.2 58 | No precipitation No precipitation | 1 | |||||||||||
17 | 15.1 59 | 755.7 29.75 1007.52 1007.52 | 756.1 29.77 1008.05 1008.05 | 0.2 0.01 0.27 0.27 | 92 | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 200-300 656-984 | 40.0 24.9 | 13.8 57 | No precipitation No precipitation | 1 | ||||||||||||||||
16 | 14.8 59 | 755.6 29.75 1007.38 1007.38 | 755.9 29.76 1007.78 1007.78 | 0.1 0 0.13 0.13 | 92 | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 200-300 656-984 | 30.0 18.6 | 13.5 56 | No precipitation No precipitation | 1 | ||||||||||||||||
15 | 14.2 58 | 755.7 29.75 1007.52 1007.52 | 756.0 29.76 1007.92 1007.92 | 0.0 0 0 0 | 93 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | Rain (not freezing). | Showers or intermittent precipitation. | Rain. | 100%. 10/10. 8 oktas | 200-300 656-984 | 40.0 24.9 | 13.1 56 | No precipitation No precipitation | 1 | ||||||||||
14 | 13.6 56 | 755.5 29.74 1007.25 1007.25 | 755.8 29.76 1007.65 1007.65 | -0.4 -0.02 -0.53 -0.53 | 94 | Wind blowing from the south | 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 | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 200-300 656-984 | 26.0 16.2 | 12.7 55 | 1.0 0.04 | 1 | ||||||||||||
13 | 13.3 56 | 755.5 29.74 1007.25 1007.25 | 755.8 29.76 1007.65 1007.65 | -0.6 -0.02 -0.8 -0.8 | 96 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | Rain, not freezing, moderate. | 100%. 10/10. 8 oktas | 200-300 656-984 | 4.4 2.7 | 12.7 55 | 3.0 0.12 | 1 | ||||||||||||
12 | 13.3 56 | 755.7 29.75 1007.52 1007.52 | 756.0 29.76 1007.92 1007.92 | -0.7 -0.03 -0.93 -0.93 | 94 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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, moderate. | Rain. | 100%. 10/10. 8 oktas | 200-300 656-984 | 5.0 3.1 | 12.4 54 | 3.0 0.12 | 1 | |||||||||||
11 | 13.7 57 | 755.9 29.76 1007.78 1007.78 | 756.3 29.78 1008.32 1008.32 | -0.8 -0.03 -1.07 -1.07 | 91 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 100%. 10/10. 8 oktas | Rain, not freezing, moderate. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 9.0 5.6 | 12.3 54 | 2.0 0.08 | 1 | ||||||||||||
10 | 14.0 57 | 756.1 29.77 1008.05 1008.05 | 756.4 29.78 1008.45 1008.45 | -0.7 -0.03 -0.93 -0.93 | 89 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 12.2 54 | 0.8 0.03 | 1 | |||||||||||||
09 | 14.2 58 | 756.4 29.78 1008.45 1008.45 | 756.7 29.79 1008.85 1008.85 | -0.9 -0.04 -1.2 -1.2 | 87 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 100%. 10/10. 8 oktas | Rain, not freezing, moderate. | Showers or intermittent precipitation. | Rain. | 14.1 57 | 17.2 63 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 12.0 7.5 | 12.1 54 | 3.0 0.12 | 12 | ||||||||
08 | 15.0 59 | 756.7 29.79 1008.85 1008.85 | 757.0 29.8 1009.25 1009.25 | -1.2 -0.05 -1.6 -1.6 | 83 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | 100%. 10/10. 8 oktas | Rain, not freezing, moderate. | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 9.0 5.6 | 12.1 54 | 0.5 0.02 | 1 | ||||||||||||
07 | 16.6 62 | 756.8 29.8 1008.98 1008.98 | 757.1 29.81 1009.38 1009.38 | -1.7 -0.07 -2.27 -2.27 | 73 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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 | Rain (not freezing). | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | 11.6 53 | No precipitation No precipitation | 1 | ||||||||||||
06 | 16.6 62 | 757.3 29.81 1009.65 1009.65 | 757.6 29.83 1010.05 1010.05 | -2.0 -0.08 -2.67 -2.67 | 78 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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). | Showers or intermittent precipitation. | Rain. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | 12.7 55 | No precipitation No precipitation | 1 | ||||||||||
05 | 17.0 63 | 757.9 29.84 1010.45 1010.45 | 758.2 29.85 1010.85 1010.85 | -1.8 -0.07 -2.4 -2.4 | 78 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 | Drizzle, not freezing, moderate. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 29.0 18.0 | 13.2 56 | No precipitation No precipitation | 1 | ||||||||||||
04 | 17.0 63 | 758.5 29.86 1011.25 1011.25 | 758.9 29.88 1011.78 1011.78 | -1.8 -0.07 -2.4 -2.4 | 81 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No significant weather observed. | 50%. 5/10. 4 oktas | 1500-2000 4921-6562 | 30.0 18.6 | 13.7 57 | No precipitation No precipitation | 1 | ||||||||||||
03 | 16.5 62 | 759.3 29.89 1012.32 1012.32 | 759.6 29.91 1012.72 1012.72 | -1.5 -0.06 -2 -2 | 89 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 100%. 10/10. 8 oktas | Rain (not freezing). | Showers or intermittent precipitation. | Rain. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 28.0 17.4 | 14.7 58 | 0.2 0.01 | 1 | |||||||||||
02 | 17.1 63 | 759.7 29.91 1012.85 1012.85 | 760.1 29.93 1013.38 1013.38 | -1.6 -0.06 -2.13 -2.13 | 81 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 40.0 24.9 | 13.7 57 | No precipitation No precipitation | 1 | ||||||||||||||
01 | 16.7 62 | 760.3 29.93 1013.65 1013.65 | 760.7 29.95 1014.18 1014.18 | -1.5 -0.06 -2 -2 | 84 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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 | No significant weather observed. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2000-2500 6562-8202 | 40.0 24.9 | 13.9 57 | No precipitation No precipitation | 1 | |||||||||||||
00 | 16.9 62 | 760.8 29.95 1014.32 1014.32 | 761.1 29.96 1014.72 1014.72 | -1.5 -0.06 -2 -2 | 82 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | No significant weather observed. | 40%. 4/10. 3 oktas | 2000-2500 6562-8202 | 40.0 24.9 | 13.7 57 | No precipitation No precipitation | 1 | |||||||||||||
| September 14, Sunday | 23 | 16.1 61 | 761.3 29.97 1014.98 1014.98 | 761.6 29.98 1015.38 1015.38 | -1.5 -0.06 -2 -2 | 93 | Wind blowing from the east-southeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 5 m/s 18 km/h 11 miles/hour 10 knots 3 Bft | 50%. 5/10. 4 oktas | No significant weather observed. | 50%. 5/10. 4 oktas | 2000-2500 6562-8202 | 28.0 17.4 | 14.9 59 | No precipitation No precipitation | 1 | |||||||||||
22 | 15.6 60 | 761.8 29.99 1015.65 1015.65 | 762.1 30 1016.05 1016.05 | -1.3 -0.05 -1.73 -1.73 | 94 | Wind blowing from the east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No significant weather observed. | 40%. 4/10. 3 oktas | 1500-2000 4921-6562 | 21.0 13.1 | 14.7 58 | No precipitation No precipitation | 1 | ||||||||||||||
21 | 15.4 60 | 762.3 30.01 1016.32 1016.32 | 762.7 30.03 1016.85 1016.85 | -1.1 -0.04 -1.47 -1.47 | 94 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | No significant weather observed. | 14.9 59 | 16.1 61 | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | 19.0 11.8 | 14.5 58 | 3.0 0.12 | 12 | ||||||||||||
20 | 15.6 60 | 762.8 30.03 1016.98 1016.98 | 763.2 30.05 1017.52 1017.52 | -1.1 -0.04 -1.47 -1.47 | 93 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 26.0 16.2 | 14.4 58 | No precipitation No precipitation | 1 | |||||||||||||
19 | 15.7 60 | 763.1 30.04 1017.38 1017.38 | 763.5 30.06 1017.92 1017.92 | -1.0 -0.04 -1.33 -1.33 | 90 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No significant weather observed. | 40%. 4/10. 3 oktas | 1000-1500 3281-4921 | 35.0 21.8 | 14.0 57 | No precipitation No precipitation | 1 | ||||||||||||
18 | 16.1 61 | 763.4 30.06 1017.78 1017.78 | 763.7 30.07 1018.18 1018.18 | -0.8 -0.03 -1.07 -1.07 | 85 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 3 m/s 11 km/h 7 miles/hour 6 knots 2 Bft | 4 m/s 14 km/h 9 miles/hour 8 knots 3 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No significant weather observed. | 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 | 35.0 21.8 | 13.6 56 | No precipitation No precipitation | 1 | ||||||||||||