5-day weather forecast Helsinki 12-05-2026
Weather forecast Helsinki today 12.05.2026: light drizzle, temperature from 8 °C to 11 °C.
Precipitation probability 82%. Wind up to 5.81 m/s (gusts 9.78 m/s). Air humidity 66–99%, atmospheric pressure 749–755 mm Hg, UV index up to 0.9.
Sunset 21:46
Moonrise 03:43 · Moonset 15:23
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 9 °C | 0% | 62% | 75% | 755 mm Hg | SE 124° 2.89 (6.08) m/s | 0 |
| 01:00 | Partly cloudy | 9 °C | 0% | 50% | 74% | 755 mm Hg | SE 135° 3.5 (7.36) m/s | 0 |
| 02:00 | Partly cloudy | 11 °C | 0% | 0% | 66% | 754 mm Hg | SSE 150° 4.31 (9.03) m/s | 0 |
| 03:00 | Partly cloudy | 8 °C | 0% | 48% | 78% | 754 mm Hg | SSE 149° 4.31 (9.03) m/s | 0 |
| 04:00 | Partly cloudy | 8 °C | 0% | 48% | 82% | 754 mm Hg | SE 141° 4.19 (8.83) m/s | 0 |
| 05:00 |  Overcast | 8 °C | 0% | 92% | 82% | 753 mm Hg | SE 138° 4.61 (9.67) m/s | 0 |
| 06:00 |  Partly cloudy | 8 °C | 0% | 47% | 82% | 753 mm Hg | SE 135° 5 (9.69) m/s | 0.1 |
| 07:00 | Partly cloudy | 8 °C | 0% | 48% | 80% | 753 mm Hg | SE 132° 5.11 (8.92) m/s | 0.2 |
| 08:00 | Overcast | 8 °C | 0% | 100% | 79% | 752 mm Hg | SE 124° 5.61 (9.33) m/s | 0.5 |
| 09:00 |  Patchy rain possible | 9 °C | 82% (0.03 mm/hr) | 100% | 78% | 752 mm Hg | ESE 119° 5.69 (9.25) m/s | 0.9 |
| 10:00 | Overcast | 8 °C | 0% | 100% | 81% | 752 mm Hg | ESE 115° 5.5 (9.47) m/s | 0.8 |
| 11:00 | Patchy rain possible | 10 °C | 78% (0.03 mm/hr) | 100% | 76% | 752 mm Hg | SE 125° 5.81 (9.78) m/s | 0.3 |
| 12:00 |  Light drizzle | 10 °C | 100% (0.3 mm/hr) | 100% | 77% | 752 mm Hg | SE 129° 5.31 (8.75) m/s | 0.3 |
| 13:00 | Light drizzle | 9 °C | 100% (0.39 mm/hr) | 100% | 86% | 752 mm Hg | ESE 108° 5 (9.56) m/s | 0.3 |
| 14:00 | Light drizzle | 9 °C | 100% (0.21 mm/hr) | 97% | 85% | 751 mm Hg | E 89° 4.81 (9.42) m/s | 0.4 |
| 15:00 | Light drizzle | 9 °C | 100% (0.38 mm/hr) | 100% | 83% | 750 mm Hg | E 84° 4.5 (8.97) m/s | 0.5 |
| 16:00 | Light drizzle | 9 °C | 100% (0.42 mm/hr) | 100% | 83% | 750 mm Hg | ENE 75° 4 (8.39) m/s | 0.8 |
| 17:00 | Light drizzle | 9 °C | 100% (0.29 mm/hr) | 100% | 81% | 749 mm Hg | ENE 68° 3.39 (7.14) m/s | 0.6 |
| 18:00 | Light drizzle | 9 °C | 100% (0.55 mm/hr) | 100% | 84% | 749 mm Hg | E 94° 1.19 (2.53) m/s | 0.3 |
| 19:00 | Light drizzle | 8 °C | 100% (0.5 mm/hr) | 100% | 88% | 749 mm Hg | ESE 121° 1.11 (2.31) m/s | 0.2 |
| 20:00 | Light drizzle | 9 °C | 100% (0.41 mm/hr) | 100% | 92% | 749 mm Hg | SE 144° 2.39 (5.03) m/s | 0.1 |
| 21:00 | Light drizzle | 9 °C | 100% (0.46 mm/hr) | 100% | 98% | 749 mm Hg | SSE 149° 3.11 (6.22) m/s | 0 |
| 22:00 |  Light rain | 9 °C | 100% (1.02 mm/hr) | 100% | 99% | 749 mm Hg | SSE 160° 3.11 (6.22) m/s | 0 |
| 23:00 | Light rain | 9 °C | 100% (0.88 mm/hr) | 100% | 99% | 749 mm Hg | S 170° 2.89 (5.86) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 8 °C to 11 °C, wind up to 5.81 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Helsinki today is 82%. 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 5.81 m/s with gusts up to 9.78 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 66% to 99%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 0.9. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 749 to 755 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.