5-day weather forecast Helsinki Oct 25, 2026
10°Weather forecast Helsinki Sunday Oct 25, 2026: overcast, temperature from 8 °C to 10 °C.
Precipitation probability 28%. Wind up to 7.39 m/s (gusts 13.33 m/s). Air humidity 71–89%, atmospheric pressure 755–764 mm Hg, UV index up to 0.6.
5 days at a glance — tap a day to open it
Sunrise 07:25
Sunset 16:43
Sunset 16:43
Full Moon100% illuminated
Moonrise 15:51 · Moonset 06:30
Moonrise 15:51 · Moonset 06:30
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 9 °C | 28% | 95% | 89% | 764 mm Hg | SSE 165° 3.69 (7.86) m/s | 0 |
| 01:00 |  Partly cloudy | 9 °C | 21% | 62% | 89% | 764 mm Hg | SSE 167° 3.89 (8.11) m/s | 0 |
| 02:00 |  Cloudy | 9 °C | 23% | 71% | 89% | 764 mm Hg | S 173° 4.19 (8.5) m/s | 0 |
| 03:00 | Overcast | 9 °C | 28% | 93% | 89% | 763 mm Hg | S 169° 4.5 (8.83) m/s | 0 |
| 04:00 |  Clear | 9 °C | 13% | 7% | 89% | 763 mm Hg | SSE 164° 4.5 (9) m/s | 0 |
| 05:00 | Clear | 9 °C | 14% | 15% | 88% | 762 mm Hg | SSE 167° 5 (10.22) m/s | 0 |
| 06:00 | Clear | 8 °C | 12% | 1% | 87% | 762 mm Hg | SSE 168° 5.19 (10.33) m/s | 0 |
| 07:00 | Clear | 8 °C | 12% | 0% | 86% | 761 mm Hg | S 169° 5.5 (11.19) m/s | 0 |
| 08:00 | Clear | 8 °C | 11% | 4% | 84% | 761 mm Hg | S 172° 6 (11.72) m/s | 0 |
| 09:00 |  Sunny | 9 °C | 12% | 19% | 82% | 761 mm Hg | S 177° 6.11 (12.14) m/s | 0.1 |
| 10:00 | Sunny | 9 °C | 12% | 23% | 82% | 761 mm Hg | S 179° 6.11 (12.11) m/s | 0.3 |
| 11:00 | Sunny | 9 °C | 11% | 15% | 80% | 761 mm Hg | S 176° 6.11 (12.22) m/s | 0.5 |
| 12:00 | Sunny | 10 °C | 9% | 9% | 77% | 760 mm Hg | S 176° 6.19 (11.81) m/s | 0.6 |
| 13:00 | Sunny | 10 °C | 7% | 4% | 74% | 759 mm Hg | S 176° 6.11 (11.72) m/s | 0.6 |
| 14:00 | Overcast | 10 °C | 18% | 93% | 72% | 758 mm Hg | S 171° 6.31 (12.42) m/s | 0.5 |
| 15:00 | Overcast | 10 °C | 19% | 96% | 72% | 758 mm Hg | S 174° 6.31 (12.19) m/s | 0.2 |
| 16:00 | Overcast | 10 °C | 19% | 100% | 72% | 758 mm Hg | S 171° 6.39 (12.11) m/s | 0 |
| 17:00 | Overcast | 10 °C | 19% | 100% | 71% | 758 mm Hg | S 170° 6.69 (12.61) m/s | 0 |
| 18:00 | Overcast | 10 °C | 19% | 100% | 71% | 757 mm Hg | SSE 167° 7.11 (12.83) m/s | 0 |
| 19:00 | Overcast | 10 °C | 20% | 100% | 74% | 757 mm Hg | SSE 165° 7.31 (13) m/s | 0 |
| 20:00 | Overcast | 10 °C | 23% | 100% | 78% | 756 mm Hg | SSE 166° 7.39 (13.31) m/s | 0 |
| 21:00 | Overcast | 10 °C | 24% | 100% | 80% | 756 mm Hg | SSE 167° 7.31 (13.31) m/s | 0 |
| 22:00 | Overcast | 10 °C | 24% | 100% | 81% | 756 mm Hg | S 169° 7.11 (13.33) m/s | 0 |
| 23:00 | Overcast | 10 °C | 24% | 100% | 81% | 755 mm Hg | S 169° 6.89 (13.22) 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.