5-day weather forecast Helsinki 15-05-2026

Weather forecast Helsinki today 15.05.2026: sunny, temperature from 7 °C to 12 °C.

No precipitation expected. Wind up to 5.11 m/s (gusts 10.5 m/s). Air humidity 57–84%, atmospheric pressure 755–757 mm Hg, UV index up to 3.7.

Sunrise 04:41
Sunset 21:54
Waning Crescent5% illuminated
Moonrise 03:42 · Moonset 20:33
Chart
Table
Fri, May 15, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
7 °C0% 16%81%755 mm HgESE 106° 4.81 (10.08) m/s0
01:00Weather
Partly cloudy
7 °C0% 28%83%755 mm HgESE 104° 4.61 (9.67) m/s0
02:00Weather
Partly cloudy
7 °C0% 43%84%756 mm HgESE 112° 5.11 (10.5) m/s0
03:00Weather
Partly cloudy
7 °C0% 42%82%756 mm HgESE 117° 4.69 (9.67) m/s0
04:00Weather
Clear
7 °C0% 24%83%756 mm HgESE 110° 4.11 (8.53) m/s0
05:00Weather
Sunny
7 °C0% 0%81%755 mm HgESE 106° 4 (8.36) m/s0
06:00Weather
Sunny
7 °C0% 20%84%756 mm HgESE 106° 4.19 (8.11) m/s0.1
07:00Weather
Sunny
8 °C0% 16%81%756 mm HgESE 107° 4.39 (7.83) m/s0.3
08:00Weather
Sunny
8 °C0% 13%77%756 mm HgESE 114° 3.81 (6.36) m/s0.7
09:00Weather
Sunny
9 °C0% 16%73%756 mm HgESE 112° 3.5 (5.61) m/s1.4
10:00Weather
Sunny
10 °C0% 14%70%757 mm HgESE 112° 3.11 (4.94) m/s2
11:00Weather
Sunny
11 °C0% 13%67%757 mm HgESE 102° 3.31 (5.17) m/s2.7
12:00Weather
Sunny
11 °C0% 11%66%757 mm HgE 101° 4.19 (6.33) m/s3.5
13:00Weather
Sunny
11 °C0% 9%64%757 mm HgE 100° 4.5 (6.97) m/s3.7
14:00Weather
Sunny
11 °C0% 9%61%757 mm HgE 97° 4.5 (7.17) m/s3.3
15:00Weather
Sunny
12 °C0% 7%58%756 mm HgE 97° 3.81 (6.25) m/s2.8
16:00Weather
Sunny
12 °C0% 6%57%756 mm HgESE 103° 3.89 (6.39) m/s2.4
17:00Weather
Overcast
12 °C0% 100%57%756 mm HgESE 107° 3.81 (6.25) m/s1.7
18:00Weather
Overcast
11 °C0% 100%58%756 mm HgESE 112° 2.89 (5.06) m/s0.9
19:00Weather
Overcast
11 °C0% 100%60%755 mm HgESE 121° 1.89 (3.5) m/s0.4
20:00Weather
Overcast
10 °C0% 100%62%755 mm HgSE 133° 1.61 (3.17) m/s0.2
21:00Weather
Overcast
9 °C0% 93%65%755 mm HgSE 140° 1.61 (3.36) m/s0
22:00Weather
Cloudy
8 °C0% 87%67%755 mm HgSE 126° 1.31 (2.72) m/s0
23:00Weather
Overcast
8 °C0% 100%68%755 mm HgESE 108° 1.31 (2.72) m/s0
Fri, May 15, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 7 °C to 12 °C, wind up to 5.11 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 5.11 m/s with gusts up to 10.5 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 57% to 84%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 3.7. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 755 to 757 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.