5-day weather forecast Helsinki Oct 23, 2026
11°Weather forecast Helsinki tomorrow Oct 23, 2026: overcast, temperature from 9 °C to 11 °C.
Precipitation probability 71%. Wind up to 6.11 m/s (gusts 11.81 m/s). Air humidity 77–89%, atmospheric pressure 762–767 mm Hg, UV index up to 0.6.
5 days at a glance — tap a day to open it
Sunrise 08:20
Sunset 17:48
Sunset 17:48
Full Moon97% illuminated
Moonrise 16:51 · Moonset 04:36
Moonrise 16:51 · Moonset 04:36
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Cloudy | 10 °C | 18% | 72% | 79% | 767 mm Hg | SE 133° 5.31 (10.69) m/s | 0 |
| 01:00 |  Overcast | 10 °C | 23% | 100% | 78% | 767 mm Hg | SE 133° 5 (11.81) m/s | 0 |
| 02:00 | Overcast | 10 °C | 23% | 100% | 78% | 767 mm Hg | SE 133° 4.89 (11.33) m/s | 0 |
| 03:00 | Overcast | 10 °C | 23% | 91% | 82% | 767 mm Hg | SE 131° 5.19 (9.61) m/s | 0 |
| 04:00 | Overcast | 10 °C | 23% | 100% | 79% | 767 mm Hg | ESE 123° 4.5 (9.42) m/s | 0 |
| 05:00 | Overcast | 10 °C | 23% | 100% | 79% | 766 mm Hg | ESE 120° 4.39 (9.36) m/s | 0 |
| 06:00 | Overcast | 10 °C | 24% | 91% | 84% | 765 mm Hg | ESE 122° 5.11 (9.28) m/s | 0 |
| 07:00 | Overcast | 10 °C | 24% | 100% | 81% | 766 mm Hg | ESE 113° 4.31 (8.81) m/s | 0 |
| 08:00 |  Partly cloudy | 10 °C | 16% | 61% | 80% | 765 mm Hg | ESE 114° 4.5 (9) m/s | 0 |
| 09:00 |  Partly cloudy | 9 °C | 17% | 53% | 85% | 765 mm Hg | ESE 123° 5.11 (9.11) m/s | 0 |
| 10:00 | Overcast | 10 °C | 23% | 98% | 79% | 765 mm Hg | ESE 117° 4.81 (9.31) m/s | 0.1 |
| 11:00 | Overcast | 10 °C | 22% | 100% | 77% | 765 mm Hg | ESE 119° 5.19 (9.92) m/s | 0.2 |
| 12:00 | Overcast | 10 °C | 25% | 100% | 81% | 764 mm Hg | SE 125° 5.5 (10.47) m/s | 0.2 |
| 13:00 | Partly cloudy | 10 °C | 14% | 50% | 78% | 764 mm Hg | ESE 119° 4.81 (9.11) m/s | 0.3 |
| 14:00 |  Sunny | 11 °C | 9% | 10% | 77% | 764 mm Hg | ESE 118° 4.81 (8.72) m/s | 0.6 |
| 15:00 | Overcast | 11 °C | 23% | 92% | 81% | 764 mm Hg | ESE 109° 5.5 (9.97) m/s | 0.5 |
| 16:00 | Overcast | 11 °C | 24% | 100% | 79% | 764 mm Hg | ESE 114° 5.31 (9.22) m/s | 0.3 |
| 17:00 | Overcast | 11 °C | 25% | 100% | 82% | 764 mm Hg | ESE 120° 5.11 (9.81) m/s | 0 |
| 18:00 | Overcast | 11 °C | 26% | 98% | 84% | 763 mm Hg | ESE 119° 6.11 (10.97) m/s | 0 |
| 19:00 |  Patchy rain possible | 10 °C | 28% (0.02 mm/hr) | 100% | 84% | 764 mm Hg | SE 129° 5 (10.19) m/s | 0 |
| 20:00 | Overcast | 10 °C | 27% | 100% | 85% | 763 mm Hg | SE 133° 4.81 (10) m/s | 0 |
| 21:00 |  Light drizzle | 11 °C | 71% (0.7 mm/hr) | 100% | 89% | 762 mm Hg | SE 133° 4.89 (9.5) m/s | 0 |
| 22:00 | Patchy rain possible | 11 °C | 30% (0.02 mm/hr) | 100% | 86% | 763 mm Hg | SE 138° 4.31 (9.22) m/s | 0 |
| 23:00 | Patchy rain possible | 11 °C | 30% (0.02 mm/hr) | 100% | 88% | 763 mm Hg | SE 142° 4.11 (9) 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.