5-day weather forecast Helsinki 18-06-2026
Weather forecast Helsinki today 18.06.2026: sunny, temperature from 12 °C to 22 °C.
Precipitation probability 12%. Wind up to 7.5 m/s (gusts 12.36 m/s). Air humidity 43–82%, atmospheric pressure 754–757 mm Hg, UV index up to 5.3.
Sunset 22:49
Moonrise 07:26 · Moonset 00:55
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 13 °C | 12% | 45% | 76% | 754 mm Hg | NW 321° 6.81 (11.78) m/s | 0 |
| 01:00 |  Clear | 13 °C | 8% | 9% | 76% | 755 mm Hg | NW 309° 6.19 (10.69) m/s | 0 |
| 02:00 | Clear | 13 °C | 9% | 7% | 78% | 755 mm Hg | NW 307° 6.19 (10.67) m/s | 0 |
| 03:00 | Clear | 13 °C | 9% | 6% | 78% | 755 mm Hg | NW 307° 5.89 (10.28) m/s | 0 |
| 04:00 |  Sunny | 12 °C | 9% | 6% | 79% | 755 mm Hg | WNW 303° 5.31 (9.64) m/s | 0 |
| 05:00 | Sunny | 12 °C | 10% | 9% | 80% | 755 mm Hg | WNW 301° 5 (9.39) m/s | 0 |
| 06:00 | Sunny | 12 °C | 10% | 17% | 78% | 755 mm Hg | WNW 302° 4.5 (7.94) m/s | 0.3 |
| 07:00 | Sunny | 13 °C | 8% | 23% | 73% | 755 mm Hg | WNW 297° 4.5 (6.92) m/s | 0.6 |
| 08:00 | Sunny | 15 °C | 6% | 18% | 66% | 755 mm Hg | NW 304° 4.31 (6.28) m/s | 1.2 |
| 09:00 | Sunny | 16 °C | 4% | 15% | 61% | 756 mm Hg | NW 304° 3.81 (5.5) m/s | 2.1 |
| 10:00 | Sunny | 17 °C | 4% | 14% | 57% | 756 mm Hg | WNW 297° 3.5 (5.14) m/s | 3.2 |
| 11:00 | Sunny | 18 °C | 3% | 8% | 53% | 756 mm Hg | W 280° 3.5 (5.25) m/s | 4 |
| 12:00 | Sunny | 18 °C | 3% | 12% | 54% | 756 mm Hg | WSW 258° 4.39 (6.61) m/s | 4.1 |
| 13:00 | Sunny | 19 °C | 3% | 18% | 52% | 756 mm Hg | WSW 256° 4.39 (6.64) m/s | 5.1 |
| 14:00 | Sunny | 19 °C | 3% | 12% | 51% | 756 mm Hg | WSW 251° 4.81 (7.14) m/s | 5.3 |
| 15:00 | Sunny | 19 °C | 3% | 22% | 51% | 756 mm Hg | WSW 250° 5.19 (7.83) m/s | 4.7 |
| 16:00 | Sunny | 22 °C | 3% | 0% | 43% | 756 mm Hg | WSW 247° 5.69 (8.67) m/s | 3.6 |
| 17:00 | Sunny | 19 °C | 3% | 17% | 53% | 755 mm Hg | WSW 249° 6.11 (9.56) m/s | 1.6 |
| 18:00 | Sunny | 19 °C | 4% | 22% | 59% | 755 mm Hg | WSW 247° 7.11 (11.22) m/s | 1.6 |
| 19:00 | Sunny | 18 °C | 6% | 18% | 65% | 756 mm Hg | WSW 247° 7.5 (12.36) m/s | 0.9 |
| 20:00 | Sunny | 17 °C | 6% | 15% | 68% | 756 mm Hg | WSW 252° 6.61 (11.11) m/s | 0.4 |
| 21:00 | Sunny | 16 °C | 7% | 14% | 73% | 757 mm Hg | WSW 258° 5.81 (10.08) m/s | 0.1 |
| 22:00 | Sunny | 15 °C | 10% | 22% | 78% | 757 mm Hg | W 264° 4.89 (9.03) m/s | 0 |
| 23:00 | Partly cloudy | 14 °C | 16% | 54% | 82% | 757 mm Hg | W 266° 4.5 (8.25) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 12 °C to 22 °C, wind up to 7.5 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Helsinki today is 12%. 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 12.36 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 43% to 82%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 5.3. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 754 to 757 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Helsinki today reaches up to 54%. 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.