5-day weather forecast Helsinki 20-03-2026
Weather forecast Helsinki Friday 20 March 20.03.2026: sunny, temperature from -1 °C to 6 °C.
No precipitation expected. Wind up to 3.61 m/s (gusts 6.67 m/s). Air humidity 61–92%, atmospheric pressure 766–767 mm Hg, UV index up to 1.5.
Sunrise 06:28
Sunset 18:28
Sunset 18:28
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 2 °C | 0% | 7% | 89% | 766 mm Hg | NW 309° 3.61 (6.67) m/s | 0 |
| 01:00 | Clear | 1 °C | 0% | 10% | 90% | 766 mm Hg | NW 305° 3.5 (6.47) m/s | 0 |
| 02:00 | Clear | 1 °C | 0% | 7% | 90% | 766 mm Hg | WNW 300° 3.19 (5.92) m/s | 0 |
| 03:00 | Clear | 0 °C | 0% | 5% | 92% | 766 mm Hg | WNW 298° 2.89 (5.58) m/s | 0 |
| 04:00 | Clear | 0 °C | 0% | 4% | 92% | 766 mm Hg | WNW 297° 2.89 (5.58) m/s | 0 |
| 05:00 | Clear | 0 °C | 0% | 3% | 92% | 766 mm Hg | WNW 298° 2.89 (5.56) m/s | 0 |
| 06:00 | Clear | -1 °C | 0% | 10% | 92% | 767 mm Hg | WNW 297° 2.81 (5.39) m/s | 0 |
| 07:00 |  Sunny | 0 °C | 0% | 7% | 90% | 767 mm Hg | WNW 301° 2.81 (5.22) m/s | 0 |
| 08:00 | Sunny | 0 °C | 0% | 6% | 84% | 767 mm Hg | WNW 303° 2.89 (4.81) m/s | 0.3 |
| 09:00 | Sunny | 2 °C | 0% | 4% | 76% | 767 mm Hg | NW 308° 3 (4.47) m/s | 0.6 |
| 10:00 | Sunny | 3 °C | 0% | 7% | 71% | 767 mm Hg | NW 307° 2.89 (4.22) m/s | 1 |
| 11:00 | Sunny | 4 °C | 0% | 9% | 67% | 767 mm Hg | WNW 303° 3.11 (4.53) m/s | 1.3 |
| 12:00 | Sunny | 5 °C | 0% | 9% | 64% | 767 mm Hg | WNW 298° 3.11 (4.72) m/s | 1.5 |
| 13:00 | Sunny | 5 °C | 0% | 8% | 62% | 767 mm Hg | WNW 290° 3.11 (4.94) m/s | 1.5 |
| 14:00 | Sunny | 6 °C | 0% | 8% | 61% | 767 mm Hg | WNW 290° 3.11 (5.17) m/s | 1.2 |
| 15:00 | Sunny | 6 °C | 0% | 8% | 61% | 767 mm Hg | W 280° 3.19 (5.42) m/s | 0.9 |
| 16:00 |  Partly cloudy | 6 °C | 0% | 27% | 63% | 767 mm Hg | W 279° 2.89 (5.06) m/s | 0.5 |
| 17:00 | Sunny | 5 °C | 0% | 15% | 67% | 767 mm Hg | W 277° 2.89 (5.5) m/s | 0.2 |
| 18:00 | Sunny | 4 °C | 0% | 8% | 73% | 767 mm Hg | W 281° 2.39 (5.03) m/s | 0 |
| 19:00 | Clear | 3 °C | 0% | 8% | 76% | 767 mm Hg | WNW 289° 2.31 (4.83) m/s | 0 |
| 20:00 | Clear | 3 °C | 0% | 13% | 80% | 767 mm Hg | WNW 292° 2.61 (5.47) m/s | 0 |
| 21:00 | Clear | 3 °C | 0% | 14% | 84% | 767 mm Hg | WNW 297° 2.69 (5.67) m/s | 0 |
| 22:00 | Clear | 2 °C | 0% | 9% | 87% | 767 mm Hg | WNW 301° 2.69 (5.67) m/s | 0 |
| 23:00 | Clear | 2 °C | 0% | 8% | 89% | 767 mm Hg | WNW 301° 2.61 (5.47) m/s | 0 |
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.