Weather archive in Helsinki / Vantaa (airport)
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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 April 28, Monday | 14 | 14.1 57 | 756.4 29.78 1008.45 1008.45 | 760.8 29.95 1014.32 1014.32 | -1.5 -0.06 -2 -2 | 53 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | no clouds no clouds no clouds | No significant weather observed. | 55.0 34.2 | 4.7 40 | |||||||||||||||||
13 | 13.1 56 | 756.7 29.79 1008.85 1008.85 | 761.2 29.97 1014.85 1014.85 | -1.7 -0.07 -2.27 -2.27 | 55 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | No significant weather observed. | 50.0 31.1 | 4.3 40 | ||||||||||||||||||
12 | 12.9 55 | 757.3 29.81 1009.65 1009.65 | 761.7 29.99 1015.52 1015.52 | 59 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 50.0 31.1 | 4.9 41 | ||||||||||||||||||||
11 | 9.6 49 | 757.9 29.84 1010.45 1010.45 | 762.4 30.02 1016.45 1016.45 | -0.9 -0.04 -1.2 -1.2 | 76 | Wind blowing from the south | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 40.0 24.9 | 5.5 42 | ||||||||||||||||
10 | 8.2 47 | 758.4 29.86 1011.12 1011.12 | 762.9 30.04 1017.12 1017.12 | -0.6 -0.02 -0.8 -0.8 | 81 | Wind blowing from the south-west | 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 | 2000-2500 6562-8202 | 45.0 28.0 | 5.1 41 | ||||||||||||||||
09 | 7.1 45 | 758.8 29.87 1011.65 1011.65 | 763.3 30.05 1017.65 1017.65 | -0.3 -0.01 -0.4 -0.4 | 87 | Wind blowing from the west-southwest | Gentle breeze (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 | Rain, not freezing, intermittent, slight at time of observation. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 4.0 39 | 7.1 45 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1500-2000 4921-6562 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 28.0 17.4 | 5.0 41 | No precipitation No precipitation | 12 | ||||||||
08 | 6.6 44 | 758.8 29.87 1011.65 1011.65 | 763.3 30.05 1017.65 1017.65 | -0.8 -0.03 -1.07 -1.07 | 83 | Wind blowing from the west-southwest | 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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | 3.9 39 | ||||||||||||||||
07 | 5.4 42 | 759.0 29.88 1011.92 1011.92 | 763.6 30.06 1018.05 1018.05 | -1.0 -0.04 -1.33 -1.33 | 88 | Wind blowing from the west-southwest | Gentle breeze (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 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | 3.6 38 | ||||||||||||||||
06 | 4.5 40 | 759.1 29.89 1012.05 1012.05 | 763.7 30.07 1018.18 1018.18 | -1.5 -0.06 -2 -2 | 90 | Wind blowing from the south-west | Gentle breeze (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. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 30.0 18.6 | 3.0 37 | ||||||||||||||||
05 | 4.0 39 | 759.6 29.91 1012.72 1012.72 | 764.2 30.09 1018.85 1018.85 | -1.8 -0.07 -2.4 -2.4 | 89 | Wind blowing from the south-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | No significant weather observed. | 2500 or more, or no clouds. 8202 or more, or no clouds. | 35.0 21.8 | 2.4 36 | |||||||||||||||||
04 | 4.8 41 | 760.0 29.92 1013.25 1013.25 | 764.5 30.1 1019.25 1019.25 | -1.8 -0.07 -2.4 -2.4 | 85 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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 | 2000-2500 6562-8202 | 45.0 28.0 | 2.4 36 | ||||||||||||||||
03 | 4.5 40 | 760.6 29.94 1014.05 1014.05 | 765.2 30.13 1020.18 1020.18 | -1.9 -0.07 -2.53 -2.53 | 79 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 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 | Clouds generally forming or developing. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Stratocumulus other than Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 55.0 34.2 | 1.2 34 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||||
02 | 5.0 41 | 761.4 29.98 1015.12 1015.12 | 765.9 30.15 1021.12 1021.12 | -1.5 -0.06 -2 -2 | 72 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 50%. 5/10. 4 oktas | No significant weather observed. | 50%. 5/10. 4 oktas | 1500-2000 4921-6562 | 60.0 37.3 | 0.3 33 | ||||||||||||||||
01 | 4.7 40 | 761.8 29.99 1015.65 1015.65 | 766.4 30.17 1021.78 1021.78 | -1.6 -0.06 -2.13 -2.13 | 69 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | No significant weather observed. | 40%. 4/10. 3 oktas | 2000-2500 6562-8202 | 65.0 40.4 | -0.6 31 | ||||||||||||||||
00 | 4.9 41 | 762.5 30.02 1016.58 1016.58 | 767.1 30.2 1022.72 1022.72 | -1.4 -0.06 -1.87 -1.87 | 65 | Wind blowing from the south-west | Moderate breeze (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 | Clouds generally dissolving or becoming less developed. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -1.1 30 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||||
| April 27, Sunday | 23 | 5.4 42 | 762.9 30.04 1017.12 1017.12 | 767.5 30.22 1023.25 1023.25 | -1.3 -0.05 -1.73 -1.73 | 58 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | 71.0 44.1 | -2.4 28 | |||||||||||||||
22 | 5.8 42 | 763.4 30.06 1017.78 1017.78 | 768.0 30.24 1023.92 1023.92 | -1.1 -0.04 -1.47 -1.47 | 48 | Wind blowing from the south-west | Moderate breeze (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. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2000-2500 6562-8202 | 71.0 44.1 | -4.4 24 | ||||||||||||||||
21 | 5.8 42 | 763.9 30.07 1018.45 1018.45 | 768.4 30.25 1024.45 1024.45 | -1.0 -0.04 -1.33 -1.33 | 48 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Clouds generally dissolving or becoming less developed. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 3.6 38 | 9.3 49 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -4.4 24 | No precipitation No precipitation | 12 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||
20 | 6.3 43 | 764.2 30.09 1018.85 1018.85 | 768.7 30.26 1024.85 1024.85 | -0.9 -0.04 -1.2 -1.2 | 46 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 71.0 44.1 | -4.5 24 | ||||||||||||||||
19 | 7.1 45 | 764.5 30.1 1019.25 1019.25 | 769.0 30.28 1025.25 1025.25 | -1.1 -0.04 -1.47 -1.47 | 44 | Wind blowing from the south-west | Fresh breeze (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. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 71.0 44.1 | -4.4 24 | ||||||||||||||||
18 | 7.4 45 | 764.9 30.11 1019.78 1019.78 | 769.5 30.3 1025.92 1025.92 | -1.1 -0.04 -1.47 -1.47 | 42 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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 | Clouds generally forming or developing. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | Altostratus opacus or Nimbostratus. | 65.0 40.4 | -4.7 24 | Dry (without cracks, no appreciable amount of dust or loose sand) | |||||||||||
17 | 7.6 46 | 765.1 30.12 1020.05 1020.05 | 769.7 30.3 1026.18 1026.18 | -1.1 -0.04 -1.47 -1.47 | 36 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 71.0 44.1 | -6.7 20 | ||||||||||||||||
16 | 8.4 47 | 765.6 30.14 1020.72 1020.72 | 770.1 30.32 1026.72 1026.72 | -1.0 -0.04 -1.33 -1.33 | 37 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | No significant weather observed. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 71.0 44.1 | -5.7 22 | ||||||||||||||||
15 | 8.0 46 | 766.0 30.16 1021.25 1021.25 | 770.5 30.33 1027.25 1027.25 | -1.1 -0.04 -1.47 -1.47 | 41 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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 | State of sky on the whole unchanged. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Stratocumulus other than Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1500-2000 4921-6562 | No Altocumulus, Altostratus or Nimbostratus. | Cirrostratus not progressively invading the sky and not entirely covering it. | 65.0 40.4 | -4.6 24 | Dry (without cracks, no appreciable amount of dust or loose sand) | ||||||||||
14 | 8.1 47 | 766.2 30.17 1021.52 1021.52 | 770.8 30.35 1027.65 1027.65 | 44 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 40%. 4/10. 3 oktas | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1500-2000 4921-6562 | 60.0 37.3 | -3.5 26 | ||||||||||||||||||