5-day weather forecast Helsinki 22-08-2026
Weather forecast Helsinki Saturday, August 22 22.08.2026: mist, temperature from 12 °C to 19 °C.
Precipitation probability 44%. Wind up to 4 m/s (gusts 8.69 m/s). Air humidity 54–96%, atmospheric pressure 755–758 mm Hg, UV index up to 3.4.
5 days at a glance — tap a day to open it
Sunrise 05:51
Sunset 20:55
Sunset 20:55
Waxing Gibbous78% illuminated
Moonrise 19:58 · Moonset 23:02
Moonrise 19:58 · Moonset 23:02
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 13 °C | 15% | 11% | 92% | 755 mm Hg | SE 128° 2 (3.14) m/s | 0 |
| 01:00 |  Mist | 13 °C | 19% | 6% | 94% | 756 mm Hg | SE 126° 1.5 (1.61) m/s | 0 |
| 02:00 | Mist | 13 °C | 44% (0.12 mm/hr) | 78% | 95% | 756 mm Hg | ESE 113° 1 (1.11) m/s | 0 |
| 03:00 | Mist | 13 °C | 19% | 0% | 95% | 756 mm Hg | E 92° 0.39 (1.03) m/s | 0 |
| 04:00 | Mist | 13 °C | 30% | 69% | 95% | 756 mm Hg | WSW 253° 0.69 (1) m/s | 0 |
| 05:00 | Mist | 12 °C | 25% | 39% | 96% | 757 mm Hg | WNW 289° 1.19 (1.42) m/s | 0 |
| 06:00 |  Mist | 12 °C | 39% | 100% | 96% | 757 mm Hg | NW 308° 1.11 (1.19) m/s | 0 |
| 07:00 | Mist | 12 °C | 23% | 35% | 94% | 757 mm Hg | W 280° 1 (1.14) m/s | 0.1 |
| 08:00 |  Sunny | 14 °C | 14% | 17% | 88% | 757 mm Hg | W 260° 1.39 (2.31) m/s | 0.4 |
| 09:00 |  Partly cloudy | 15 °C | 11% | 28% | 80% | 758 mm Hg | WSW 248° 1.61 (2.92) m/s | 0.9 |
| 10:00 | Sunny | 17 °C | 7% | 19% | 71% | 758 mm Hg | SW 221° 1.5 (2.64) m/s | 1.5 |
| 11:00 |  Patchy rain possible | 18 °C | 17% (0.01 mm/hr) | 100% | 66% | 758 mm Hg | SSW 212° 2 (3.03) m/s | 2.2 |
| 12:00 |  Cloudy | 19 °C | 10% | 66% | 64% | 758 mm Hg | SSW 193° 2.61 (3.22) m/s | 2.8 |
| 13:00 | Patchy rain possible | 19 °C | 36% (0.37 mm/hr) | 85% | 65% | 758 mm Hg | S 183° 3.5 (3.61) m/s | 3.4 |
| 14:00 |  Light rain shower | 19 °C | 36% (0.31 mm/hr) | 96% | 66% | 758 mm Hg | S 187° 3.81 (3.89) m/s | 3.2 |
| 15:00 | Patchy rain possible | 19 °C | 18% (0.03 mm/hr) | 100% | 63% | 757 mm Hg | S 190° 3.61 (4.11) m/s | 2.7 |
| 16:00 | Patchy rain possible | 19 °C | 9% (0.02 mm/hr) | 52% | 61% | 757 mm Hg | S 188° 3.5 (3.92) m/s | 2 |
| 17:00 | Patchy rain possible | 19 °C | 15% (0.02 mm/hr) | 100% | 58% | 757 mm Hg | SSW 202° 4 (4.89) m/s | 1.2 |
| 18:00 | Sunny | 19 °C | 3% | 3% | 54% | 757 mm Hg | SW 218° 3.69 (5.72) m/s | 0.6 |
| 19:00 | Partly cloudy | 18 °C | 5% | 31% | 55% | 757 mm Hg | SW 228° 3.89 (7.19) m/s | 0.2 |
| 20:00 | Sunny | 17 °C | 3% | 5% | 59% | 757 mm Hg | WSW 243° 3.39 (7.61) m/s | 0 |
| 21:00 | Clear | 15 °C | 5% | 5% | 67% | 757 mm Hg | WSW 257° 2.81 (7.31) m/s | 0 |
| 22:00 |  Partly cloudy | 14 °C | 11% | 58% | 70% | 758 mm Hg | W 278° 2.89 (8.69) m/s | 0 |
| 23:00 |  Overcast | 13 °C | 20% | 100% | 74% | 758 mm Hg | WNW 284° 2.81 (7.92) m/s | 0 |
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.