5-day weather forecast Helsinki 17-07-2026

Weather forecast Helsinki today 17.07.2026: sunny, temperature from 15 °C to 24 °C.

Precipitation probability 9%. Wind up to 3.31 m/s (gusts 6.72 m/s). Air humidity 54–79%, atmospheric pressure 759–766 mm Hg, UV index up to 6.

Weather Alerts

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ModerateJul 19, 03:00 PMJul 20, 12:00 AMTranslate with Google
Yellow wind warning for sea area: Gulf of Finland, Sun 15.00 - Mon 0.00

Wind warning for sea areas

Wind warning for sea areas: From Sunday noon to the night between Sunday and Monday, probability for west gale-force winds is 30%.
ModerateJul 19, 03:00 PMJul 20, 12:00 AMTranslate with Google
Yellow wind warning for sea area: Gulf of Finland, Sun 15.00 - Mon 0.00

Wind warning for sea areas

Wind warning for sea areas: From Sunday noon to the night between Sunday and Monday, probability for west gale-force winds is 30%.
ModerateJul 19, 12:00 AMJul 19, 06:00 PMTranslate with Google
Yellow wind warning for sea area: Gulf of Finland, Sun 0.00 - 18.00

Wind warning for sea areas

Wind warning for sea areas: From the night between Saturday and Sunday to Sunday evening, probability for southwest gale-force winds is 40%.
Sunrise 04:26
Sunset 22:25
Waxing Crescent15% illuminated
Moonrise 08:31 · Moonset 23:10
Chart
Table
Fri, Jul 17, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
16 °C7% 2%74%766 mm HgSSE 149° 2.31 (4.83) m/s0
01:00Weather
Clear
16 °C7% 0%73%766 mm HgSSE 149° 2.61 (5.47) m/s0
02:00Weather
Clear
16 °C7% 0%73%766 mm HgSSE 149° 2.89 (6.08) m/s0
03:00Weather
Clear
15 °C8% 0%76%766 mm HgSSE 152° 3.19 (6.72) m/s0
04:00Weather
Clear
15 °C8% 0%78%765 mm HgSSE 153° 3.11 (6.44) m/s0
05:00Weather
Sunny
15 °C9% 3%79%765 mm HgSSE 158° 3.11 (6.33) m/s0
06:00Weather
Sunny
15 °C9% 2%78%765 mm HgSSE 164° 3 (5.47) m/s0.2
07:00Weather
Sunny
16 °C7% 0%74%765 mm HgSSE 167° 3.19 (4.86) m/s0.5
08:00Weather
Sunny
17 °C5% 0%69%764 mm HgS 170° 3.31 (4.53) m/s1.2
09:00Weather
Sunny
18 °C5% 3%66%764 mm HgS 170° 3.11 (4.11) m/s2.2
10:00Weather
Sunny
18 °C4% 7%63%764 mm HgSSE 168° 3.19 (4.03) m/s3.3
11:00Weather
Sunny
19 °C4% 2%62%764 mm HgSSE 164° 3.11 (3.86) m/s4.6
12:00Weather
Sunny
20 °C3% 0%59%764 mm HgSSE 167° 2.89 (3.61) m/s5.6
13:00Weather
Sunny
21 °C3% 0%58%763 mm HgSSE 165° 2.61 (3.25) m/s6
14:00Weather
Sunny
21 °C3% 0%58%763 mm HgSSE 156° 2.5 (3.28) m/s5.8
15:00Weather
Sunny
22 °C3% 3%57%762 mm HgSSE 149° 2.39 (3.25) m/s5.1
16:00Weather
Sunny
22 °C3% 6%57%762 mm HgSSE 149° 2.5 (3.39) m/s4.1
17:00Weather
Sunny
24 °C3% 25%54%761 mm HgSSE 148° 2.89 (3.97) m/s2.9
18:00Weather
Sunny
22 °C4% 7%61%761 mm HgSSE 148° 3 (4.17) m/s1.8
19:00Weather
Sunny
21 °C6% 25%64%761 mm HgSSE 163° 2.5 (3.72) m/s0.9
20:00Weather
Partly cloudy
20 °C7% 25%68%760 mm HgSSE 162° 1.81 (2.83) m/s0.4
21:00Weather
Sunny
19 °C8% 12%74%760 mm HgSSE 153° 1.39 (2.67) m/s0.1
22:00Weather
Sunny
18 °C8% 10%75%759 mm HgSSE 151° 1.5 (3.14) m/s0
23:00Weather
Clear
18 °C7% 6%74%759 mm HgSSE 162° 1.81 (3.78) m/s0
Fri, Jul 17, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 15 °C to 24 °C, wind up to 3.31 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 9%. 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 3.31 m/s with gusts up to 6.72 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 54% to 79%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 6. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 759 to 766 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Helsinki today reaches up to 25%. 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.