5-day weather forecast Helsinki 05-08-2026
Weather forecast Helsinki Wednesday, August 5 05.08.2026: patchy rain possible, temperature from 13 °C to 17 °C.
Precipitation probability 69%. Wind up to 3.31 m/s (gusts 5.89 m/s). Air humidity 71–91%, atmospheric pressure 758–761 mm Hg, UV index up to 4.
5 days at a glance — tap a day to open it
Sunrise 05:10
Sunset 21:42
Sunset 21:42
Last Quarter44% illuminated
Moonrise 22:14 · Moonset 14:27
Moonrise 22:14 · Moonset 14:27
Chart
Table
Wed, Aug 5, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 15 °C | 12% | 56% | 74% | 760 mm Hg | W 265° 3 (5.89) m/s | 0 |
| 01:00 | Partly cloudy | 15 °C | 12% | 50% | 74% | 760 mm Hg | W 268° 2.61 (5.06) m/s | 0 |
| 02:00 |  Overcast | 15 °C | 19% | 93% | 74% | 761 mm Hg | W 271° 2.81 (5.33) m/s | 0 |
| 03:00 | Overcast | 15 °C | 17% | 92% | 71% | 760 mm Hg | W 270° 2.31 (4.14) m/s | 0 |
| 04:00 |  Patchy rain possible | 15 °C | 21% (0.02 mm/hr) | 100% | 72% | 760 mm Hg | W 269° 3 (5.14) m/s | 0 |
| 05:00 |  Light rain | 14 °C | 67% (0.92 mm/hr) | 100% | 83% | 760 mm Hg | WNW 283° 3.31 (5.39) m/s | 0 |
| 06:00 |  Light rain | 13 °C | 69% (0.76 mm/hr) | 100% | 91% | 760 mm Hg | NW 320° 2.19 (3.44) m/s | 0 |
| 07:00 |  Patchy rain possible | 13 °C | 30% (0.01 mm/hr) | 100% | 90% | 759 mm Hg | NE 38° 0.61 (0.94) m/s | 0 |
| 08:00 |  Overcast | 13 °C | 29% | 100% | 89% | 759 mm Hg | ESE 119° 2 (3.14) m/s | 0.1 |
| 09:00 | Overcast | 14 °C | 28% | 100% | 88% | 758 mm Hg | SE 135° 2.5 (3.61) m/s | 0.4 |
| 10:00 | Overcast | 15 °C | 26% | 100% | 84% | 758 mm Hg | SSE 154° 2.5 (3.42) m/s | 0.9 |
| 11:00 | Patchy rain possible | 15 °C | 26% (0.01 mm/hr) | 100% | 83% | 758 mm Hg | SSE 168° 2.61 (3.58) m/s | 0.9 |
| 12:00 | Overcast | 16 °C | 24% | 100% | 81% | 758 mm Hg | S 177° 3.11 (4.31) m/s | 1 |
| 13:00 | Patchy rain possible | 16 °C | 25% (0.02 mm/hr) | 100% | 80% | 758 mm Hg | S 189° 2.5 (3.58) m/s | 1 |
| 14:00 | Patchy rain possible | 16 °C | 25% (0.1 mm/hr) | 73% | 78% | 758 mm Hg | SSW 207° 3 (4.08) m/s | 1.1 |
| 15:00 | Patchy rain possible | 16 °C | 23% (0.04 mm/hr) | 76% | 82% | 758 mm Hg | SW 232° 2.89 (4.08) m/s | 0.9 |
| 16:00 |  Cloudy | 16 °C | 17% | 72% | 79% | 758 mm Hg | WSW 246° 2.61 (3.61) m/s | 4 |
| 17:00 | Patchy rain possible | 17 °C | 15% | 68% | 76% | 758 mm Hg | W 261° 2.19 (3) m/s | 4 |
| 18:00 | Cloudy | 17 °C | 13% | 64% | 73% | 758 mm Hg | W 275° 1.89 (2.47) m/s | 4 |
| 19:00 | Cloudy | 16 °C | 15% | 66% | 77% | 758 mm Hg | WNW 285° 2 (2.81) m/s | 4 |
| 20:00 | Cloudy | 16 °C | 17% | 67% | 81% | 758 mm Hg | WNW 296° 2.11 (3.11) m/s | 4 |
| 21:00 | Cloudy | 15 °C | 20% | 68% | 85% | 758 mm Hg | NW 306° 2.19 (3.36) m/s | 4 |
| 22:00 |  Clear | 14 °C | 18% | 49% | 88% | 758 mm Hg | NW 311° 2.5 (4.11) m/s | 0 |
| 23:00 |  Cloudy | 14 °C | 16% | 30% | 91% | 758 mm Hg | NW 315° 2.69 (4.81) m/s | 0 |
Wed, Aug 5, 2026
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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.