5-day weather forecast Helsinki 12-04-2026

Weather forecast Helsinki today 12.04.2026: sunny, temperature from 1 °C to 6 °C.

No precipitation expected. Wind up to 4.5 m/s (gusts 8.36 m/s). Air humidity 44–80%, atmospheric pressure 769–772 mm Hg, UV index up to 2.4.

Sunrise 06:12
Sunset 20:31
Waning Crescent33% illuminated
Moonrise 05:33 · Moonset 13:09
Chart
Table
Sun, Apr 12, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
2 °C0% 13%64%770 mm HgNE 53° 3.5 (7.36) m/s0
01:00Weather
Overcast
2 °C0% 93%68%770 mm HgNE 52° 3.81 (7.97) m/s0
02:00Weather
Cloudy
2 °C0% 85%70%770 mm HgNE 54° 3.89 (8.19) m/s0
03:00Weather
Partly cloudy
2 °C0% 58%72%770 mm HgENE 60° 4 (8.36) m/s0
04:00Weather
Partly cloudy
1 °C0% 0%44%769 mm HgENE 63° 3.89 (8.19) m/s0
05:00Weather
Clear
1 °C0% 16%78%770 mm HgENE 65° 3.81 (7.97) m/s0
06:00Weather
Clear
1 °C0% 2%80%770 mm HgENE 68° 3.81 (7.97) m/s0
07:00Weather
Sunny
1 °C0% 5%80%770 mm HgENE 69° 3.61 (7.39) m/s0.1
08:00Weather
Sunny
2 °C0% 9%76%770 mm HgENE 72° 3.69 (6.44) m/s0.3
09:00Weather
Sunny
4 °C0% 18%72%770 mm HgENE 78° 4 (6.03) m/s0.6
10:00Weather
Partly cloudy
5 °C0% 29%70%770 mm HgE 85° 4.19 (6.06) m/s1.1
11:00Weather
Partly cloudy
5 °C0% 46%69%770 mm HgE 93° 4.39 (6.25) m/s1.7
12:00Weather
Sunny
6 °C0% 25%69%770 mm HgE 97° 4.5 (6.39) m/s2.2
13:00Weather
Partly cloudy
6 °C0% 50%70%771 mm HgE 99° 4.5 (6.5) m/s2.4
14:00Weather
Partly cloudy
6 °C0% 56%69%771 mm HgE 98° 4.19 (6.22) m/s2.4
15:00Weather
Cloudy
6 °C0% 68%68%771 mm HgE 96° 4.11 (6.19) m/s2
16:00Weather
Cloudy
6 °C0% 87%67%771 mm HgE 92° 4 (6.28) m/s1.5
17:00Weather
Cloudy
6 °C0% 86%67%771 mm HgE 89° 4 (6.47) m/s0.9
18:00Weather
Partly cloudy
6 °C0% 44%67%771 mm HgE 87° 3.81 (6.39) m/s0.5
19:00Weather
Partly cloudy
5 °C0% 30%66%771 mm HgE 86° 3.5 (6.06) m/s0.2
20:00Weather
Sunny
4 °C0% 15%70%771 mm HgE 84° 3 (5.75) m/s0
21:00Weather
Clear
4 °C0% 19%73%772 mm HgE 83° 2.81 (5.86) m/s0
22:00Weather
Clear
3 °C0% 12%74%772 mm HgE 82° 2.5 (5.25) m/s0
23:00Weather
Clear
3 °C0% 14%75%772 mm HgE 84° 2.39 (5.03) m/s0
Sun, Apr 12, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 1 °C to 6 °C, wind up to 4.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Helsinki today reaches up to 4.5 m/s with gusts up to 8.36 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 44% to 80%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 2.4. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 769 to 772 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 93%. Check the cloud cover chart above for hourly details throughout the day.

Helsinki on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.