5-day weather forecast Helsinki 20-04-2026

Weather forecast Helsinki today 20.04.2026: sunny, temperature from 1 °C to 9 °C.

No precipitation expected. Wind up to 3.89 m/s (gusts 7.33 m/s). Air humidity 36–60%, atmospheric pressure 768–771 mm Hg, UV index up to 2.9.

Sunrise 05:49
Sunset 20:51
Waxing Crescent9% illuminated
Moonrise 05:44 · Moonset 01:20
Chart
Table
Mon, Apr 20, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
3 °C0% 22%59%771 mm HgN 4° 2.81 (5.86) m/s0
01:00Weather
Clear
2 °C0% 12%59%771 mm HgN 9° 2.89 (6.08) m/s0
02:00Weather
Clear
2 °C0% 13%57%771 mm HgNNE 18° 3 (6.31) m/s0
03:00Weather
Clear
2 °C0% 15%56%771 mm HgNNE 20° 3.19 (6.72) m/s0
04:00Weather
Clear
1 °C0% 18%57%771 mm HgNNE 17° 3.31 (6.92) m/s0
05:00Weather
Clear
1 °C0% 19%59%771 mm HgNNE 14° 3.39 (7.14) m/s0
06:00Weather
Sunny
1 °C0% 18%60%771 mm HgNNE 18° 3.5 (7.33) m/s0
07:00Weather
Sunny
1 °C0% 14%59%771 mm HgNNE 23° 3.69 (6.97) m/s0.1
08:00Weather
Sunny
3 °C0% 8%55%771 mm HgNNE 29° 3.81 (6) m/s0.4
09:00Weather
Sunny
4 °C0% 7%50%771 mm HgNE 39° 3.89 (5.58) m/s0.8
10:00Weather
Sunny
6 °C0% 6%45%771 mm HgNE 47° 3.81 (5.17) m/s1.4
11:00Weather
Sunny
7 °C0% 6%42%771 mm HgENE 57° 3.39 (4.64) m/s2.1
12:00Weather
Sunny
8 °C0% 3%40%770 mm HgENE 76° 3.31 (4.56) m/s2.6
13:00Weather
Sunny
8 °C0% 2%40%770 mm HgE 92° 2.89 (4) m/s2.9
14:00Weather
Sunny
8 °C0% 2%40%770 mm HgESE 104° 2.39 (3.36) m/s2.8
15:00Weather
Sunny
9 °C0% 3%39%770 mm HgESE 110° 1.89 (2.69) m/s2.5
16:00Weather
Sunny
9 °C0% 6%39%770 mm HgESE 118° 1.39 (2.06) m/s1.9
17:00Weather
Sunny
9 °C0% 7%39%770 mm HgSE 133° 0.89 (1.36) m/s1.2
18:00Weather
Sunny
9 °C0% 10%40%770 mm HgSW 225° 0.5 (0.78) m/s0.7
19:00Weather
Sunny
8 °C0% 10%43%769 mm HgW 281° 1.31 (2.19) m/s0.3
20:00Weather
Sunny
7 °C0% 4%49%770 mm HgW 281° 1.39 (2.75) m/s0.1
21:00Weather
Clear
6 °C0% 2%54%770 mm HgW 276° 1.5 (3.14) m/s0
22:00Weather
Clear
7 °C0% 0%36%768 mm HgWNW 303° 1.61 (3.36) m/s0
23:00Weather
Clear
5 °C0% 4%56%770 mm HgNNW 338° 1.5 (3.14) m/s0
Mon, Apr 20, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 1 °C to 9 °C, wind up to 3.89 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 3.89 m/s with gusts up to 7.33 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 36% to 60%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 2.9. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 768 to 771 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 22%. 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.