5-day weather forecast Helsinki 21-06-2026
Weather forecast Helsinki today 21.06.2026: sunny, temperature from 15 °C to 24 °C.
Precipitation probability 11%. Wind up to 6.39 m/s (gusts 11.08 m/s). Air humidity 47–88%, atmospheric pressure 762–764 mm Hg, UV index up to 5.8.
Sunset 22:50
Moonrise 12:42 · Moonset 00:59
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 16 °C | 11% | 9% | 83% | 764 mm Hg | SW 214° 4.61 (9.22) m/s | 0 |
| 01:00 |  Partly cloudy | 16 °C | 16% | 47% | 84% | 764 mm Hg | SSW 209° 5 (9.89) m/s | 0 |
| 02:00 |  Cloudy | 16 °C | 19% | 66% | 84% | 764 mm Hg | SW 216° 4.89 (9.61) m/s | 0 |
| 03:00 | Partly cloudy | 16 °C | 18% | 60% | 85% | 763 mm Hg | SW 217° 4.81 (9.33) m/s | 0 |
| 04:00 |  Partly cloudy | 15 °C | 17% | 49% | 86% | 763 mm Hg | SW 220° 4.81 (9.25) m/s | 0 |
| 05:00 | Partly cloudy | 15 °C | 15% | 33% | 88% | 763 mm Hg | SW 222° 4.61 (8.61) m/s | 0 |
| 06:00 | Partly cloudy | 16 °C | 15% | 32% | 88% | 763 mm Hg | SW 229° 4.5 (8.06) m/s | 0.2 |
| 07:00 | Partly cloudy | 16 °C | 15% | 32% | 87% | 763 mm Hg | SW 232° 4.11 (6.97) m/s | 0.5 |
| 08:00 | Partly cloudy | 17 °C | 15% | 37% | 86% | 763 mm Hg | SW 233° 4.5 (7.22) m/s | 0.8 |
| 09:00 | Partly cloudy | 18 °C | 14% | 36% | 83% | 763 mm Hg | SW 233° 4.31 (6.61) m/s | 2 |
| 10:00 | Partly cloudy | 18 °C | 13% | 32% | 83% | 763 mm Hg | SW 231° 4.31 (6.67) m/s | 3.3 |
| 11:00 |  Sunny | 19 °C | 10% | 15% | 79% | 763 mm Hg | SW 227° 4.39 (6.92) m/s | 4.3 |
| 12:00 | Sunny | 20 °C | 8% | 21% | 72% | 763 mm Hg | SW 229° 4.89 (7.64) m/s | 4.8 |
| 13:00 | Partly cloudy | 21 °C | 7% | 27% | 68% | 763 mm Hg | SW 228° 5.39 (8.69) m/s | 5.8 |
| 14:00 | Sunny | 21 °C | 6% | 22% | 66% | 763 mm Hg | SW 230° 5.89 (9.83) m/s | 5.8 |
| 15:00 | Partly cloudy | 22 °C | 6% | 31% | 64% | 762 mm Hg | WSW 237° 6.19 (10.5) m/s | 4.9 |
| 16:00 | Sunny | 22 °C | 5% | 23% | 61% | 762 mm Hg | WSW 244° 6.39 (11.08) m/s | 4 |
| 17:00 | Sunny | 22 °C | 3% | 9% | 57% | 762 mm Hg | WSW 251° 6.19 (10.92) m/s | 3.1 |
| 18:00 | Sunny | 22 °C | 3% | 3% | 55% | 762 mm Hg | WSW 248° 5.69 (10.47) m/s | 2 |
| 19:00 | Sunny | 21 °C | 3% | 0% | 58% | 762 mm Hg | WSW 250° 5.39 (10.47) m/s | 1.1 |
| 20:00 | Sunny | 20 °C | 3% | 0% | 59% | 762 mm Hg | W 260° 4.89 (10.28) m/s | 0.5 |
| 21:00 | Sunny | 24 °C | 4% | 0% | 47% | 762 mm Hg | W 279° 4.31 (9.03) m/s | 0.2 |
| 22:00 | Sunny | 18 °C | 4% | 0% | 65% | 763 mm Hg | WNW 302° 4.11 (8.61) m/s | 0 |
| 23:00 | Clear | 16 °C | 5% | 0% | 68% | 764 mm Hg | NW 312° 3.69 (7.78) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 15 °C to 24 °C, wind up to 6.39 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Helsinki today is 11%. 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 6.39 m/s with gusts up to 11.08 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 47% to 88%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 5.8. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 762 to 764 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Helsinki today reaches up to 66%. 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.