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 3.19 m/s (gusts 6.53 m/s). Air humidity 57–91%, atmospheric pressure 766–768 mm Hg, UV index up to 1.5.
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Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 1 °C | 0% | 0% | 88% | 766 mm Hg | NW 314° 2.89 (5.67) m/s | 0 |
| 01:00 | Clear | 0 °C | 0% | 0% | 91% | 766 mm Hg | NW 313° 2.81 (5.67) m/s | 0 |
| 02:00 | Clear | 0 °C | 0% | 0% | 91% | 766 mm Hg | NW 318° 3.11 (6.39) m/s | 0 |
| 03:00 | Clear | 0 °C | 0% | 2% | 91% | 766 mm Hg | NW 321° 3 (6.22) m/s | 0 |
| 04:00 | Clear | 0 °C | 0% | 16% | 90% | 766 mm Hg | NW 324° 3.19 (6.53) m/s | 0 |
| 05:00 | Clear | 0 °C | 0% | 12% | 90% | 766 mm Hg | NW 325° 2.89 (5.97) m/s | 0 |
| 06:00 | Clear | 0 °C | 0% | 2% | 89% | 766 mm Hg | NW 324° 3.11 (6.22) m/s | 0 |
| 07:00 |  Sunny | 0 °C | 0% | 10% | 89% | 767 mm Hg | NW 321° 2.81 (5.53) m/s | 0 |
| 08:00 | Sunny | 1 °C | 0% | 10% | 84% | 767 mm Hg | NW 316° 2.81 (4.92) m/s | 0.3 |
| 09:00 | Sunny | 2 °C | 0% | 3% | 76% | 767 mm Hg | NW 317° 3 (4.72) m/s | 0.6 |
| 10:00 | Sunny | 4 °C | 0% | 18% | 69% | 767 mm Hg | NW 311° 2.89 (4.39) m/s | 1 |
| 11:00 | Sunny | 5 °C | 0% | 11% | 64% | 767 mm Hg | NW 305° 3.11 (4.72) m/s | 1.3 |
| 12:00 | Sunny | 5 °C | 0% | 9% | 59% | 767 mm Hg | WNW 298° 3 (4.75) m/s | 1.5 |
| 13:00 | Sunny | 6 °C | 0% | 3% | 57% | 767 mm Hg | WNW 293° 3.19 (5.22) m/s | 1.5 |
| 14:00 | Sunny | 6 °C | 0% | 6% | 57% | 767 mm Hg | WNW 290° 3 (5.08) m/s | 1.2 |
| 15:00 | Sunny | 6 °C | 0% | 6% | 59% | 767 mm Hg | WNW 285° 3.19 (5.5) m/s | 0.9 |
| 16:00 | Sunny | 6 °C | 0% | 15% | 64% | 767 mm Hg | WNW 287° 3.19 (5.67) m/s | 0.5 |
| 17:00 |  Partly cloudy | 6 °C | 0% | 37% | 67% | 767 mm Hg | WNW 282° 2.89 (5.47) m/s | 0.2 |
| 18:00 | Partly cloudy | 5 °C | 0% | 32% | 74% | 767 mm Hg | W 267° 2.61 (5.47) m/s | 0 |
| 19:00 | Clear | 4 °C | 0% | 11% | 79% | 767 mm Hg | W 268° 2.89 (6.08) m/s | 0 |
| 20:00 | Clear | 3 °C | 0% | 13% | 82% | 767 mm Hg | W 272° 2.89 (6.08) m/s | 0 |
| 21:00 | Clear | 3 °C | 0% | 14% | 84% | 768 mm Hg | W 274° 3 (6.31) m/s | 0 |
| 22:00 | Clear | 2 °C | 0% | 15% | 86% | 768 mm Hg | W 270° 3.11 (6.5) m/s | 0 |
| 23:00 | Clear | 2 °C | 0% | 14% | 84% | 768 mm Hg | W 268° 3.11 (6.5) 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.