5-day weather forecast Helsinki 31-05-2026
Weather forecast Helsinki Sunday, May 31 31.05.2026: partly cloudy, temperature from 9 °C to 13 °C.
No precipitation expected. Wind up to 5 m/s (gusts 6.28 m/s). Air humidity 72–88%, atmospheric pressure 758–761 mm Hg, UV index up to 3.6.
Sunrise 04:08
Sunset 22:27
Sunset 22:27
Full Moon99% illuminated
Moonrise Does not rise today · Moonset 03:03
Moonrise Does not rise today · Moonset 03:03
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 9 °C | 0% | 6% | 84% | 758 mm Hg | S 181° 1.11 (2.31) m/s | 0 |
| 01:00 | Clear | 9 °C | 0% | 10% | 85% | 758 mm Hg | SSW 196° 0.5 (1.06) m/s | 0 |
| 02:00 | Clear | 9 °C | 0% | 25% | 85% | 758 mm Hg | ENE 60° 0.69 (1.47) m/s | 0 |
| 03:00 |  Partly cloudy | 9 °C | 0% | 25% | 85% | 758 mm Hg | NE 47° 1.31 (2.72) m/s | 0 |
| 04:00 | Clear | 9 °C | 0% | 20% | 85% | 758 mm Hg | NNE 31° 1.89 (4) m/s | 0 |
| 05:00 |  Sunny | 9 °C | 0% | 25% | 86% | 758 mm Hg | NNE 26° 2.31 (4.83) m/s | 0 |
| 06:00 | Sunny | 10 °C | 0% | 24% | 85% | 758 mm Hg | NNE 31° 2.39 (4.33) m/s | 0.1 |
| 07:00 | Sunny | 11 °C | 0% | 24% | 82% | 758 mm Hg | NE 47° 3.11 (4.72) m/s | 0.3 |
| 08:00 | Sunny | 12 °C | 0% | 20% | 77% | 759 mm Hg | ENE 60° 3.5 (4.92) m/s | 0.3 |
| 09:00 | Sunny | 13 °C | 0% | 16% | 74% | 759 mm Hg | ENE 76° 3.81 (5.08) m/s | 0.7 |
| 10:00 |  Partly cloudy | 13 °C | 0% | 43% | 72% | 759 mm Hg | E 91° 4.19 (5.39) m/s | 1.4 |
| 11:00 | Partly cloudy | 13 °C | 0% | 60% | 73% | 759 mm Hg | ESE 106° 4.69 (5.78) m/s | 1.5 |
| 12:00 | Partly cloudy | 12 °C | 0% | 54% | 76% | 760 mm Hg | ESE 117° 5 (6.28) m/s | 3 |
| 13:00 | Partly cloudy | 12 °C | 0% | 62% | 77% | 760 mm Hg | ESE 116° 5 (6.03) m/s | 3.6 |
| 14:00 |  Cloudy | 12 °C | 0% | 76% | 74% | 760 mm Hg | ESE 114° 4.81 (5.61) m/s | 3.6 |
| 15:00 | Partly cloudy | 13 °C | 0% | 51% | 73% | 760 mm Hg | ESE 114° 4.69 (5.5) m/s | 3.4 |
| 16:00 | Cloudy | 13 °C | 0% | 80% | 73% | 760 mm Hg | ESE 115° 4.5 (5.5) m/s | 2.8 |
| 17:00 | Partly cloudy | 12 °C | 0% | 35% | 74% | 761 mm Hg | ESE 114° 4.39 (5.58) m/s | 2.4 |
| 18:00 | Partly cloudy | 12 °C | 0% | 36% | 74% | 761 mm Hg | ESE 111° 4.39 (5.86) m/s | 1.5 |
| 19:00 | Partly cloudy | 11 °C | 0% | 59% | 76% | 761 mm Hg | ESE 111° 4.5 (6.25) m/s | 0.8 |
| 20:00 | Partly cloudy | 10 °C | 0% | 47% | 79% | 761 mm Hg | ESE 112° 4.19 (6.11) m/s | 0.4 |
| 21:00 | Partly cloudy | 10 °C | 0% | 55% | 81% | 761 mm Hg | ESE 108° 3.81 (5.83) m/s | 0.2 |
| 22:00 | Cloudy | 9 °C | 0% | 77% | 85% | 761 mm Hg | ESE 105° 3.61 (6.03) m/s | 0 |
| 23:00 |  Overcast | 9 °C | 0% | 100% | 88% | 761 mm Hg | E 101° 3.19 (5.75) m/s | 0 |
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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.