5-day weather forecast Helsinki 20-04-2026
Weather forecast Helsinki today 20.04.2026: sunny, temperature from 1 °C to 9 °C.
No precipitation expected. Wind up to 3.89 m/s (gusts 7.33 m/s). Air humidity 36–60%, atmospheric pressure 768–771 mm Hg, UV index up to 2.9.
Sunset 20:51
Moonrise 05:44 · Moonset 01:20
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 3 °C | 0% | 22% | 59% | 771 mm Hg | N 4° 2.81 (5.86) m/s | 0 |
| 01:00 | Clear | 2 °C | 0% | 12% | 59% | 771 mm Hg | N 9° 2.89 (6.08) m/s | 0 |
| 02:00 | Clear | 2 °C | 0% | 13% | 57% | 771 mm Hg | NNE 18° 3 (6.31) m/s | 0 |
| 03:00 | Clear | 2 °C | 0% | 15% | 56% | 771 mm Hg | NNE 20° 3.19 (6.72) m/s | 0 |
| 04:00 | Clear | 1 °C | 0% | 18% | 57% | 771 mm Hg | NNE 17° 3.31 (6.92) m/s | 0 |
| 05:00 | Clear | 1 °C | 0% | 19% | 59% | 771 mm Hg | NNE 14° 3.39 (7.14) m/s | 0 |
| 06:00 |  Sunny | 1 °C | 0% | 18% | 60% | 771 mm Hg | NNE 18° 3.5 (7.33) m/s | 0 |
| 07:00 | Sunny | 1 °C | 0% | 14% | 59% | 771 mm Hg | NNE 23° 3.69 (6.97) m/s | 0.1 |
| 08:00 | Sunny | 3 °C | 0% | 8% | 55% | 771 mm Hg | NNE 29° 3.81 (6) m/s | 0.4 |
| 09:00 | Sunny | 4 °C | 0% | 7% | 50% | 771 mm Hg | NE 39° 3.89 (5.58) m/s | 0.8 |
| 10:00 | Sunny | 6 °C | 0% | 6% | 45% | 771 mm Hg | NE 47° 3.81 (5.17) m/s | 1.4 |
| 11:00 | Sunny | 7 °C | 0% | 6% | 42% | 771 mm Hg | ENE 57° 3.39 (4.64) m/s | 2.1 |
| 12:00 | Sunny | 8 °C | 0% | 3% | 40% | 770 mm Hg | ENE 76° 3.31 (4.56) m/s | 2.6 |
| 13:00 | Sunny | 8 °C | 0% | 2% | 40% | 770 mm Hg | E 92° 2.89 (4) m/s | 2.9 |
| 14:00 | Sunny | 8 °C | 0% | 2% | 40% | 770 mm Hg | ESE 104° 2.39 (3.36) m/s | 2.8 |
| 15:00 | Sunny | 9 °C | 0% | 3% | 39% | 770 mm Hg | ESE 110° 1.89 (2.69) m/s | 2.5 |
| 16:00 | Sunny | 9 °C | 0% | 6% | 39% | 770 mm Hg | ESE 118° 1.39 (2.06) m/s | 1.9 |
| 17:00 | Sunny | 9 °C | 0% | 7% | 39% | 770 mm Hg | SE 133° 0.89 (1.36) m/s | 1.2 |
| 18:00 | Sunny | 9 °C | 0% | 10% | 40% | 770 mm Hg | SW 225° 0.5 (0.78) m/s | 0.7 |
| 19:00 | Sunny | 8 °C | 0% | 10% | 43% | 769 mm Hg | W 281° 1.31 (2.19) m/s | 0.3 |
| 20:00 | Sunny | 7 °C | 0% | 4% | 49% | 770 mm Hg | W 281° 1.39 (2.75) m/s | 0.1 |
| 21:00 | Clear | 6 °C | 0% | 2% | 54% | 770 mm Hg | W 276° 1.5 (3.14) m/s | 0 |
| 22:00 | Clear | 7 °C | 0% | 0% | 36% | 768 mm Hg | WNW 303° 1.61 (3.36) m/s | 0 |
| 23:00 | Clear | 5 °C | 0% | 4% | 56% | 770 mm Hg | NNW 338° 1.5 (3.14) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 1 °C to 9 °C, wind up to 3.89 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 3.89 m/s with gusts up to 7.33 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 36% to 60%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 2.9. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 768 to 771 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Helsinki today reaches up to 22%. 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.