5-day weather forecast Helsinki Oct 3, 2026
15°Weather forecast Helsinki Saturday Oct 3, 2026: sunny, temperature from 11 °C to 15 °C.
Precipitation probability 32%. Wind up to 4.61 m/s (gusts 10.31 m/s). Air humidity 72–97%, atmospheric pressure 766–773 mm Hg, UV index up to 1.2.
5 days at a glance — tap a day to open it
Sunrise 07:31
Sunset 18:47
Sunset 18:47
Last Quarter45% illuminated
Moonrise 20:49 · Moonset 17:13
Moonrise 20:49 · Moonset 17:13
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 12 °C | 14% | 0% | 93% | 773 mm Hg | SSW 207° 2.61 (6.69) m/s | 0 |
| 01:00 | Clear | 12 °C | 15% | 0% | 94% | 773 mm Hg | SSW 203° 2.61 (6.61) m/s | 0 |
| 02:00 | Clear | 12 °C | 15% | 0% | 94% | 773 mm Hg | SSW 203° 2.69 (7.22) m/s | 0 |
| 03:00 | Clear | 12 °C | 15% | 0% | 94% | 773 mm Hg | SSW 198° 2.69 (7.14) m/s | 0 |
| 04:00 |  Overcast | 11 °C | 32% | 98% | 94% | 772 mm Hg | SSW 202° 2.81 (7.42) m/s | 0 |
| 05:00 | Overcast | 12 °C | 32% | 100% | 94% | 772 mm Hg | SSW 193° 2.69 (6.92) m/s | 0 |
| 06:00 | Overcast | 12 °C | 32% | 100% | 93% | 771 mm Hg | SSW 195° 3 (8) m/s | 0 |
| 07:00 | Overcast | 12 °C | 30% | 100% | 91% | 771 mm Hg | SSW 200° 3.39 (9.42) m/s | 0 |
| 08:00 |  Partly cloudy | 12 °C | 16% | 30% | 90% | 770 mm Hg | SSW 198° 3.61 (9.72) m/s | 0 |
| 09:00 | Partly cloudy | 12 °C | 16% | 40% | 88% | 770 mm Hg | SSW 199° 3.81 (9.89) m/s | 0.2 |
| 10:00 |  Cloudy | 13 °C | 20% | 75% | 83% | 770 mm Hg | SSW 200° 4.11 (9.61) m/s | 0.4 |
| 11:00 | Partly cloudy | 14 °C | 13% | 43% | 79% | 770 mm Hg | SSW 203° 4.39 (8.61) m/s | 0.8 |
| 12:00 |  Overcast | 14 °C | 21% | 100% | 75% | 770 mm Hg | SSW 207° 4.61 (8.19) m/s | 1.2 |
| 13:00 | Overcast | 14 °C | 21% | 100% | 75% | 769 mm Hg | SSW 211° 4.5 (8.11) m/s | 1.2 |
| 14:00 | Cloudy | 14 °C | 19% | 86% | 76% | 769 mm Hg | SSW 213° 4.11 (8.5) m/s | 1 |
| 15:00 | Sunny | 15 °C | 7% | 3% | 72% | 768 mm Hg | SW 217° 4.61 (8.42) m/s | 1 |
| 16:00 | Overcast | 15 °C | 20% | 94% | 75% | 768 mm Hg | SW 221° 4.39 (9.11) m/s | 0.7 |
| 17:00 | Sunny | 14 °C | 10% | 5% | 80% | 767 mm Hg | SW 223° 4.11 (9.22) m/s | 0.3 |
| 18:00 | Sunny | 13 °C | 11% | 5% | 85% | 767 mm Hg | SW 222° 4 (9.72) m/s | 0.1 |
| 19:00 | Clear | 13 °C | 13% | 3% | 90% | 767 mm Hg | SW 226° 4 (10.31) m/s | 0 |
| 20:00 | Clear | 12 °C | 15% | 7% | 94% | 767 mm Hg | SW 229° 3.81 (9.72) m/s | 0 |
| 21:00 |  Mist | 12 °C | 22% | 18% | 96% | 767 mm Hg | WSW 238° 3.31 (8.89) m/s | 0 |
| 22:00 | Mist | 11 °C | 21% | 15% | 97% | 767 mm Hg | WSW 243° 2.89 (8.72) m/s | 0 |
| 23:00 | Mist | 11 °C | 20% | 8% | 96% | 766 mm Hg | WSW 239° 2.61 (7.81) 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.