5-day weather forecast Helsinki 21-07-2026

Weather forecast Helsinki today 21.07.2026: patchy rain possible, temperature from 10 °C to 15 °C.

Precipitation probability 63%. Wind up to 7.5 m/s (gusts 10.67 m/s). Air humidity 68–90%, atmospheric pressure 758–761 mm Hg, UV index up to 1.2.

Sunrise 04:35
Sunset 22:18
First Quarter53% illuminated
Moonrise 15:10 · Moonset 23:10
Chart
Table
Tue, Jul 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Partly cloudy
15 °C10% 52%68%761 mm HgNE 55° 7.11 (10.56) m/s0
01:00Weather
Partly cloudy
14 °C11% 55%70%761 mm HgNE 56° 7.19 (10.58) m/s0
02:00Weather
Partly cloudy
14 °C12% 62%71%761 mm HgNE 49° 7.19 (10.42) m/s0
03:00Weather
Cloudy
13 °C14% 76%71%761 mm HgNE 50° 7.31 (10.39) m/s0
04:00Weather
Patchy rain possible
13 °C15% (0.01 mm/hr)76%70%760 mm HgNE 49° 7.5 (10.67) m/s0
05:00Weather
Patchy rain possible
13 °C18% (0.1 mm/hr)58%70%760 mm HgNE 46° 7.39 (10.39) m/s0
06:00Weather
Patchy light drizzle
12 °C29% (0.27 mm/hr)61%71%760 mm HgNE 44° 7.39 (10.36) m/s0.1
07:00Weather
Patchy rain possible
12 °C20% (0.1 mm/hr)64%70%760 mm HgNE 42° 7.19 (9.94) m/s0.2
08:00Weather
Patchy rain possible
12 °C17% (0.1 mm/hr)51%69%760 mm HgNE 50° 6.89 (9.19) m/s0.4
09:00Weather
Patchy rain possible
12 °C21% (0.1 mm/hr)70%71%760 mm HgNE 44° 6.81 (8.92) m/s0.5
10:00Weather
Patchy rain possible
12 °C15% (0.04 mm/hr)63%72%760 mm HgNE 39° 7.19 (9.64) m/s0.9
11:00Weather
Patchy light drizzle
12 °C33% (0.3 mm/hr)70%72%760 mm HgNE 40° 7.11 (9.47) m/s1.2
12:00Weather
Light drizzle
12 °C48% (0.37 mm/hr)100%73%760 mm HgNE 39° 6.81 (9.06) m/s1.1
13:00Weather
Light drizzle
12 °C54% (0.42 mm/hr)100%77%760 mm HgNE 37° 6.5 (8.89) m/s1
14:00Weather
Light drizzle
11 °C61% (0.51 mm/hr)100%80%760 mm HgNE 35° 6.11 (8.67) m/s0.7
15:00Weather
Light drizzle
11 °C61% (0.46 mm/hr)100%84%760 mm HgNE 36° 5.61 (8.22) m/s0.6
16:00Weather
Light drizzle
11 °C63% (0.46 mm/hr)100%87%760 mm HgNE 36° 5.69 (8.39) m/s0.5
17:00Weather
Partly cloudy
13 °C57% (0.32 mm/hr)50%88%760 mm HgNNE 33° 5.89 (8.56) m/s0.3
18:00Weather
Light drizzle
10 °C55% (0.25 mm/hr)100%90%760 mm HgNNE 31° 5.69 (8.33) m/s0.2
19:00Weather
Patchy rain possible
10 °C42% (0.13 mm/hr)100%90%759 mm HgNNE 28° 5.31 (7.83) m/s0.1
20:00Weather
Patchy rain possible
10 °C34% (0.05 mm/hr)100%89%759 mm HgNNE 24° 5.11 (7.64) m/s0.1
21:00Weather
Patchy rain possible
10 °C32% (0.03 mm/hr)100%88%759 mm HgNNE 22° 4.81 (7.31) m/s0
22:00Weather
Patchy rain possible
10 °C32% (0.03 mm/hr)100%88%759 mm HgNNE 20° 4.5 (6.89) m/s0
23:00Weather
Patchy rain possible
10 °C32% (0.03 mm/hr)100%88%758 mm HgNNE 18° 4.39 (6.72) m/s0
Tue, Jul 21, 2026

Frequently asked questions about the weather in Helsinki

Today in Helsinki the temperature ranges from 10 °C to 15 °C, wind up to 7.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Helsinki today is 63%. 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 7.5 m/s with gusts up to 10.67 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Helsinki today ranges from 68% to 90%. View the humidity chart above for hourly details.

The UV index in Helsinki today reaches up to 1.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Helsinki today ranges from 758 to 761 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.