5-day weather forecast Helsinki 17-05-2026
Weather forecast Helsinki today 17.05.2026: sunny, temperature from 7 °C to 13 °C.
No precipitation expected. Wind up to 4.61 m/s (gusts 7.08 m/s). Air humidity 55–93%, atmospheric pressure 755–764 mm Hg, UV index up to 3.4.
Sunset 21:58
Moonrise 03:51 · Moonset below the horizon
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 8 °C | 0% | 100% | 87% | 755 mm Hg | WSW 244° 3 (5.44) m/s | 0 |
| 01:00 | Overcast | 8 °C | 0% | 100% | 90% | 755 mm Hg | WSW 243° 3.61 (6.25) m/s | 0 |
| 02:00 | Overcast | 7 °C | 0% | 100% | 91% | 756 mm Hg | WSW 244° 3.89 (6.64) m/s | 0 |
| 03:00 |  Partly cloudy | 8 °C | 0% | 45% | 90% | 756 mm Hg | WSW 248° 3.31 (5.64) m/s | 0 |
| 04:00 |  Clear | 7 °C | 0% | 16% | 93% | 758 mm Hg | WSW 241° 2.89 (5.67) m/s | 0 |
| 05:00 |  Sunny | 7 °C | 0% | 8% | 93% | 758 mm Hg | WSW 251° 2.61 (5.28) m/s | 0 |
| 06:00 | Sunny | 7 °C | 0% | 17% | 89% | 758 mm Hg | SW 232° 2.19 (4.28) m/s | 0.1 |
| 07:00 | Sunny | 8 °C | 0% | 7% | 82% | 758 mm Hg | SW 228° 2.89 (4.97) m/s | 0.3 |
| 08:00 | Sunny | 9 °C | 0% | 5% | 76% | 759 mm Hg | SW 225° 3.39 (5.39) m/s | 0.7 |
| 09:00 | Sunny | 10 °C | 0% | 8% | 71% | 759 mm Hg | SW 214° 3.69 (5.64) m/s | 1.2 |
| 10:00 | Sunny | 10 °C | 0% | 7% | 67% | 760 mm Hg | SW 217° 4.11 (6.14) m/s | 2 |
| 11:00 | Sunny | 13 °C | 0% | 0% | 58% | 760 mm Hg | SW 217° 4.31 (6.36) m/s | 2.9 |
| 12:00 | Sunny | 11 °C | 0% | 8% | 62% | 761 mm Hg | SW 223° 4.39 (6.39) m/s | 3.4 |
| 13:00 | Sunny | 11 °C | 0% | 12% | 61% | 761 mm Hg | SW 221° 4.5 (6.47) m/s | 3.2 |
| 14:00 | Sunny | 12 °C | 0% | 10% | 61% | 761 mm Hg | SW 226° 4.39 (6.36) m/s | 2.6 |
| 15:00 | Sunny | 12 °C | 0% | 8% | 58% | 762 mm Hg | SW 229° 4.61 (6.75) m/s | 3.2 |
| 16:00 | Sunny | 12 °C | 0% | 9% | 56% | 762 mm Hg | SW 235° 4.61 (6.78) m/s | 2.9 |
| 17:00 | Sunny | 12 °C | 0% | 20% | 55% | 762 mm Hg | WSW 240° 4.5 (6.83) m/s | 2 |
| 18:00 | Sunny | 12 °C | 0% | 6% | 56% | 763 mm Hg | WSW 245° 4.61 (7.08) m/s | 1.3 |
| 19:00 | Sunny | 12 °C | 0% | 1% | 59% | 763 mm Hg | WSW 244° 4.31 (6.89) m/s | 0.7 |
| 20:00 | Sunny | 11 °C | 0% | 1% | 64% | 763 mm Hg | WSW 240° 3.5 (5.97) m/s | 0.3 |
| 21:00 | Sunny | 10 °C | 0% | 0% | 70% | 764 mm Hg | WSW 238° 3 (5.67) m/s | 0.1 |
| 22:00 | Clear | 8 °C | 0% | 0% | 79% | 764 mm Hg | SW 232° 2.69 (5.67) m/s | 0 |
| 23:00 | Clear | 7 °C | 0% | 0% | 85% | 764 mm Hg | WSW 239° 2.61 (5.47) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 7 °C to 13 °C, wind up to 4.61 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 4.61 m/s with gusts up to 7.08 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 55% to 93%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 3.4. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 755 to 764 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.