5-day weather forecast Helsinki 20-06-2026
Weather forecast Helsinki tomorrow 20.06.2026: sunny, temperature from 12 °C to 20 °C.
Precipitation probability 10%. Wind up to 6.61 m/s (gusts 10.67 m/s). Air humidity 70–83%, atmospheric pressure 764–765 mm Hg, UV index up to 6.1.
Sunrise 03:53
Sunset 22:49
Sunset 22:49
First Quarter38% illuminated
Moonrise 11:03 · Moonset 00:59
Moonrise 11:03 · Moonset 00:59
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 14 °C | 10% | 20% | 79% | 764 mm Hg | W 268° 3.31 (6.92) m/s | 0 |
| 01:00 |  Partly cloudy | 13 °C | 12% | 29% | 80% | 764 mm Hg | W 269° 3.11 (6.5) m/s | 0 |
| 02:00 | Partly cloudy | 12 °C | 12% | 31% | 81% | 764 mm Hg | W 266° 2.81 (5.89) m/s | 0 |
| 03:00 | Partly cloudy | 12 °C | 11% | 34% | 77% | 764 mm Hg | WSW 254° 2.69 (5.67) m/s | 0 |
| 04:00 |  Partly cloudy | 12 °C | 10% | 25% | 76% | 764 mm Hg | WSW 247° 2.61 (5.47) m/s | 0 |
| 05:00 |  Sunny | 13 °C | 9% | 11% | 77% | 764 mm Hg | SW 231° 2.5 (5.25) m/s | 0 |
| 06:00 | Sunny | 13 °C | 11% | 23% | 80% | 764 mm Hg | SSW 209° 2.89 (5.75) m/s | 0.2 |
| 07:00 |  Cloudy | 15 °C | 17% | 73% | 79% | 764 mm Hg | SSW 206° 3.89 (6.64) m/s | 0.6 |
| 08:00 | Partly cloudy | 16 °C | 10% | 35% | 74% | 764 mm Hg | SSW 206° 4.11 (6.72) m/s | 1.2 |
| 09:00 | Partly cloudy | 17 °C | 9% | 38% | 71% | 764 mm Hg | SSW 204° 4.19 (6.67) m/s | 1.3 |
| 10:00 | Cloudy | 17 °C | 15% | 78% | 71% | 764 mm Hg | SSW 204° 4.5 (6.89) m/s | 1 |
| 11:00 | Partly cloudy | 16 °C | 10% | 32% | 76% | 765 mm Hg | SSW 205° 4.5 (7.31) m/s | 4 |
| 12:00 | Partly cloudy | 18 °C | 10% | 39% | 73% | 765 mm Hg | SSW 210° 5.19 (8.25) m/s | 5.6 |
| 13:00 | Sunny | 19 °C | 7% | 15% | 72% | 764 mm Hg | SSW 212° 5.5 (8.58) m/s | 6.1 |
| 14:00 | Sunny | 20 °C | 7% | 17% | 72% | 764 mm Hg | SW 222° 5.89 (9) m/s | 5.9 |
| 15:00 | Sunny | 20 °C | 8% | 16% | 73% | 764 mm Hg | SW 234° 6.5 (9.78) m/s | 5.3 |
| 16:00 | Sunny | 20 °C | 7% | 19% | 71% | 764 mm Hg | WSW 239° 6.61 (10.06) m/s | 4.2 |
| 17:00 | Sunny | 20 °C | 6% | 12% | 70% | 764 mm Hg | WSW 240° 6.5 (10.67) m/s | 3 |
| 18:00 | Sunny | 20 °C | 6% | 4% | 70% | 764 mm Hg | WSW 237° 5.89 (10.11) m/s | 1.9 |
| 19:00 | Sunny | 20 °C | 6% | 6% | 70% | 764 mm Hg | WSW 244° 5.61 (9.81) m/s | 1.1 |
| 20:00 | Sunny | 19 °C | 7% | 6% | 74% | 764 mm Hg | WSW 241° 5 (9.42) m/s | 0.5 |
| 21:00 | Sunny | 18 °C | 8% | 2% | 77% | 764 mm Hg | SW 233° 4.69 (9.67) m/s | 0.2 |
| 22:00 | Sunny | 17 °C | 9% | 2% | 80% | 764 mm Hg | SW 223° 4.31 (9.03) m/s | 0 |
| 23:00 | Clear | 16 °C | 11% | 6% | 83% | 764 mm Hg | SSW 213° 4 (8.39) 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.