5-day weather forecast Helsinki 25-05-2026

Weather forecast Helsinki today 25.05.2026: sunny, temperature from 11 °C to 17 °C.

Precipitation probability 71%. Wind up to 7.81 m/s (gusts 11.64 m/s). Air humidity 29–73%, atmospheric pressure 760–762 mm Hg, UV index up to 5.1.

Sunrise 04:19
Sunset 22:15
Waxing Gibbous74% illuminated
Moonrise 14:58 · Moonset 02:49
Chart
Table
Mon, May 25, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
12 °C0% 7%71%762 mm HgW 275° 5.89 (11.22) m/s0
01:00Weather
Clear
11 °C0% 8%73%762 mm HgW 270° 6.31 (11.64) m/s0
02:00Weather
Partly cloudy
11 °C0% 31%73%762 mm HgW 272° 5.61 (10.28) m/s0
03:00Weather
Partly cloudy
11 °C0% 43%72%762 mm HgW 276° 6.19 (11.11) m/s0
04:00Weather
Cloudy
11 °C0% 67%70%762 mm HgW 281° 5.81 (10.22) m/s0
05:00Weather
Overcast
11 °C0% 100%69%762 mm HgWNW 286° 5.5 (9.42) m/s0
06:00Weather
Patchy rain possible
11 °C71% (0.01 mm/hr)100%72%762 mm HgWNW 295° 5.11 (8.33) m/s0
07:00Weather
Partly cloudy
11 °C0% 42%69%761 mm HgWNW 285° 5 (8.14) m/s0.2
08:00Weather
Sunny
11 °C0% 15%67%761 mm HgWNW 293° 5.61 (8.53) m/s0.9
09:00Weather
Sunny
12 °C0% 8%59%761 mm HgWNW 293° 6.19 (8.75) m/s1.8
10:00Weather
Sunny
12 °C0% 8%53%761 mm HgWNW 294° 6.5 (9.22) m/s2.7
11:00Weather
Sunny
13 °C0% 6%47%761 mm HgWNW 297° 6.69 (9.22) m/s3.7
12:00Weather
Sunny
14 °C0% 4%43%761 mm HgWNW 292° 6.81 (9.58) m/s4.6
13:00Weather
Sunny
15 °C0% 10%40%761 mm HgWNW 293° 7.11 (10.19) m/s5.1
14:00Weather
Sunny
17 °C0% 0%29%760 mm HgWNW 294° 7.39 (10.61) m/s5
15:00Weather
Sunny
15 °C0% 10%37%761 mm HgWNW 297° 7.81 (11) m/s4.2
16:00Weather
Sunny
16 °C0% 9%37%761 mm HgWNW 298° 7.81 (11.11) m/s3.3
17:00Weather
Sunny
15 °C0% 7%39%761 mm HgWNW 296° 7.5 (10.78) m/s2.2
18:00Weather
Sunny
15 °C0% 5%42%761 mm HgWNW 296° 7.39 (11.25) m/s1.4
19:00Weather
Sunny
14 °C0% 2%46%761 mm HgWNW 295° 7.19 (11.5) m/s0.8
20:00Weather
Sunny
13 °C0% 2%49%761 mm HgWNW 297° 6.61 (11.14) m/s0.4
21:00Weather
Sunny
12 °C0% 7%52%761 mm HgWNW 298° 6.19 (11.03) m/s0.1
22:00Weather
Sunny
11 °C0% 2%54%761 mm HgWNW 293° 5.61 (10.44) m/s0
23:00Weather
Clear
11 °C0% 2%58%761 mm HgWNW 282° 5.39 (10.08) m/s0
Mon, May 25, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 11 °C to 17 °C, wind up to 7.81 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 71%. 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 7.81 m/s with gusts up to 11.64 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 29% to 73%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 5.1. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 760 to 762 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 100%. 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.