5-day weather forecast Helsinki 17-04-2026

Weather forecast Helsinki today 17.04.2026: sunny, temperature from 6 °C to 12 °C.

Precipitation probability 86%. Wind up to 4.39 m/s (gusts 8.36 m/s). Air humidity 42–89%, atmospheric pressure 764–767 mm Hg, UV index up to 2.8.

Sunrise 05:58
Sunset 20:44
New Moon0% illuminated
Moonrise 05:31 · Moonset 21:26
Chart
Table
Fri, Apr 17, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Patchy rain possible
7 °C86% (0.03 mm/hr)100%87%764 mm HgNE 36° 3.11 (6.03) m/s0
01:00Weather
Patchy rain possible
9 °C86% (0.03 mm/hr)25%66%764 mm HgNNE 32° 3.19 (6.06) m/s0
02:00Weather
Patchy rain possible
7 °C63% (0.01 mm/hr)69%89%764 mm HgNNE 17° 3.5 (6.67) m/s0
03:00Weather
Overcast
7 °C0% 100%87%764 mm HgNNE 18° 3.89 (7.39) m/s0
04:00Weather
Overcast
8 °C0% 91%81%764 mm HgNNE 24° 4.19 (8.03) m/s0
05:00Weather
Patchy rain possible
8 °C69% (0.04 mm/hr)100%75%764 mm HgNNE 29° 4.39 (8.36) m/s0
06:00Weather
Patchy rain possible
7 °C100% (0.08 mm/hr)100%77%764 mm HgNNE 27° 4 (7.53) m/s0
07:00Weather
Patchy rain possible
7 °C72% (0.04 mm/hr)72%74%764 mm HgNNE 20° 3.61 (6.78) m/s0
08:00Weather
Sunny
7 °C0% 5%68%765 mm HgNNE 18° 3.69 (6.53) m/s0.2
09:00Weather
Sunny
8 °C0% 14%60%765 mm HgNNE 21° 4.31 (7.17) m/s0.7
10:00Weather
Sunny
9 °C0% 15%54%765 mm HgNNE 23° 4.31 (7.03) m/s1.3
11:00Weather
Sunny
10 °C0% 15%49%765 mm HgNNE 28° 4.31 (7) m/s1.9
12:00Weather
Sunny
11 °C0% 22%45%766 mm HgNE 34° 4 (6.61) m/s2.5
13:00Weather
Partly cloudy
11 °C0% 32%43%766 mm HgNE 38° 3.5 (5.81) m/s2.8
14:00Weather
Partly cloudy
12 °C0% 32%42%766 mm HgNE 40° 2.81 (4.69) m/s2.7
15:00Weather
Partly cloudy
12 °C0% 32%42%766 mm HgNE 38° 2.31 (3.97) m/s2.4
16:00Weather
Partly cloudy
11 °C0% 32%43%766 mm HgNE 39° 1.89 (3.28) m/s1.8
17:00Weather
Partly cloudy
11 °C0% 27%45%766 mm HgNE 44° 1.69 (2.94) m/s1.2
18:00Weather
Sunny
10 °C0% 17%47%766 mm HgNE 40° 1.5 (2.64) m/s0.6
19:00Weather
Sunny
10 °C0% 10%50%767 mm HgNNE 15° 1.11 (2.06) m/s0.3
20:00Weather
Sunny
9 °C0% 6%54%767 mm HgN 352° 1.5 (3.03) m/s0
21:00Weather
Clear
7 °C0% 2%59%767 mm HgNNW 344° 1.61 (3.36) m/s0
22:00Weather
Clear
7 °C0% 21%62%767 mm HgN 356° 1.81 (3.78) m/s0
23:00Weather
Overcast
6 °C0% 88%64%767 mm HgN 8° 2 (4.19) m/s0
Fri, Apr 17, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 6 °C to 12 °C, wind up to 4.39 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 86%. 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 4.39 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 42% to 89%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 2.8. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 764 to 767 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.