5-day weather forecast Helsinki 17-04-2026

Weather forecast Helsinki today 17.04.2026: sunny, temperature from 6 °C to 15 °C.

Precipitation probability 100%. Wind up to 4.31 m/s (gusts 7.67 m/s). Air humidity 29–94%, 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 °C100% (0.08 mm/hr)100%91%764 mm HgNE 35° 3.5 (6.36) m/s0
01:00Weather
Patchy rain possible
7 °C100% (0.1 mm/hr)100%94%764 mm HgNNE 30° 3.39 (6.14) m/s0
02:00Weather
Patchy rain possible
7 °C100% (0.08 mm/hr)100%94%764 mm HgNNE 24° 3.5 (6.31) m/s0
03:00Weather
Patchy rain possible
7 °C100% (0.08 mm/hr)100%94%764 mm HgNNE 23° 3.61 (6.47) m/s0
04:00Weather
Light drizzle
7 °C100% (0.56 mm/hr)100%94%764 mm HgNNE 20° 3.81 (6.75) m/s0
05:00Weather
Light drizzle
7 °C100% (0.23 mm/hr)100%92%764 mm HgNNE 17° 4.11 (7.36) m/s0
06:00Weather
Light drizzle
7 °C100% (0.29 mm/hr)100%91%764 mm HgNNE 24° 4.31 (7.67) m/s0
07:00Weather
Light drizzle
7 °C100% (0.24 mm/hr)100%91%764 mm HgNNE 26° 3.81 (6.81) m/s0
08:00Weather
Patchy rain possible
7 °C100% (0.08 mm/hr)62%87%765 mm HgNNE 18° 3.5 (6.36) m/s0.2
09:00Weather
Sunny
8 °C0% 15%73%765 mm HgNNE 17° 3.81 (6.5) m/s0.7
10:00Weather
Sunny
9 °C0% 20%62%765 mm HgNNE 20° 4.11 (6.67) m/s1.3
11:00Weather
Sunny
10 °C0% 5%56%766 mm HgNNE 26° 4.11 (6.72) m/s1.9
12:00Weather
Sunny
11 °C0% 6%51%766 mm HgNNE 29° 4 (6.58) m/s2.5
13:00Weather
Sunny
11 °C0% 9%48%766 mm HgNNE 33° 3.69 (6.14) m/s2.8
14:00Weather
Sunny
15 °C0% 0%29%765 mm HgNE 37° 3 (5.06) m/s2.7
15:00Weather
Sunny
11 °C0% 9%44%766 mm HgNE 42° 2.31 (3.97) m/s2.4
16:00Weather
Sunny
11 °C0% 14%44%766 mm HgNE 43° 1.69 (3) m/s1.8
17:00Weather
Sunny
11 °C0% 18%45%766 mm HgNE 35° 1.39 (2.44) m/s1.2
18:00Weather
Sunny
10 °C0% 18%47%766 mm HgNNE 24° 1.19 (2.14) m/s0.6
19:00Weather
Sunny
10 °C0% 16%51%766 mm HgNNE 29° 0.81 (1.5) m/s0.3
20:00Weather
Sunny
8 °C0% 11%58%767 mm HgENE 78° 0.5 (1.06) m/s0
21:00Weather
Clear
7 °C0% 10%63%767 mm HgE 101° 0.5 (1.06) m/s0
22:00Weather
Clear
6 °C0% 7%66%767 mm HgE 79° 0.5 (1.06) m/s0
23:00Weather
Clear
6 °C0% 4%67%767 mm HgNE 54° 0.89 (1.89) m/s0
Fri, Apr 17, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 6 °C to 15 °C, wind up to 4.31 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 100%. 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 4.31 m/s with gusts up to 7.67 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 29% to 94%. 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.