5-day weather forecast Helsinki 18-07-2026
Weather forecast Helsinki today 18.07.2026: patchy rain possible, temperature from 17 °C to 24 °C.
Precipitation probability 81%. Wind up to 5.31 m/s (gusts 8.69 m/s). Air humidity 61–96%, atmospheric pressure 752–759 mm Hg, UV index up to 5.1.
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Sunset 22:24
Moonrise 10:16 · Moonset 23:10
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 18 °C | 8% | 13% | 75% | 759 mm Hg | SSE 162° 2.31 (4.83) m/s | 0 |
| 01:00 | Clear | 18 °C | 9% | 3% | 79% | 758 mm Hg | S 179° 2.39 (5.03) m/s | 0 |
| 02:00 | Clear | 17 °C | 11% | 8% | 84% | 758 mm Hg | S 186° 2.69 (5.67) m/s | 0 |
| 03:00 | Clear | 17 °C | 14% | 16% | 89% | 758 mm Hg | S 189° 3.11 (6.5) m/s | 0 |
| 04:00 | Clear | 17 °C | 15% | 15% | 92% | 758 mm Hg | S 183° 3.31 (6.92) m/s | 0 |
| 05:00 |  Patchy rain possible | 17 °C | 36% (0.11 mm/hr) | 78% | 93% | 758 mm Hg | S 176° 3.31 (6.92) m/s | 0 |
| 06:00 |  Sunny | 18 °C | 14% | 18% | 89% | 757 mm Hg | S 172° 3.61 (6.83) m/s | 0.2 |
| 07:00 | Patchy rain possible | 19 °C | 20% (0.02 mm/hr) | 54% | 87% | 757 mm Hg | S 178° 4 (6.28) m/s | 0.4 |
| 08:00 |  Partly cloudy | 19 °C | 15% | 31% | 87% | 756 mm Hg | S 181° 4.19 (6.08) m/s | 0.9 |
| 09:00 |  Cloudy | 20 °C | 18% | 63% | 83% | 756 mm Hg | S 185° 4 (5.53) m/s | 1.8 |
| 10:00 | Patchy rain possible | 20 °C | 21% (0.01 mm/hr) | 81% | 80% | 756 mm Hg | S 176° 4 (5.36) m/s | 3 |
| 11:00 | Patchy rain possible | 21 °C | 38% (0.33 mm/hr) | 74% | 79% | 755 mm Hg | SSE 167° 3.61 (4.86) m/s | 3.8 |
| 12:00 | Patchy rain possible | 22 °C | 49% (0.52 mm/hr) | 88% | 76% | 755 mm Hg | SSE 158° 4 (5.78) m/s | 4.8 |
| 13:00 | Patchy rain possible | 21 °C | 49% (0.59 mm/hr) | 73% | 79% | 755 mm Hg | S 170° 4.31 (7.17) m/s | 5.1 |
| 14:00 | Patchy rain possible | 24 °C | 65% (1.13 mm/hr) | 25% | 61% | 754 mm Hg | S 187° 4.19 (7.72) m/s | 4.4 |
| 15:00 |  Patchy light rain | 21 °C | 62% (1.53 mm/hr) | 51% | 84% | 754 mm Hg | S 182° 3.89 (7.44) m/s | 3.3 |
| 16:00 |  Light rain shower | 21 °C | 74% (1.81 mm/hr) | 89% | 86% | 754 mm Hg | S 190° 3.89 (7.33) m/s | 3.4 |
| 17:00 | Patchy light rain | 20 °C | 77% (2.14 mm/hr) | 86% | 88% | 753 mm Hg | SW 227° 3 (5.61) m/s | 2 |
| 18:00 | Light rain shower | 19 °C | 54% (0.63 mm/hr) | 55% | 91% | 752 mm Hg | WNW 295° 3 (5.61) m/s | 0.9 |
| 19:00 |  Light drizzle | 18 °C | 65% (0.42 mm/hr) | 94% | 94% | 752 mm Hg | N 354° 1.39 (2.61) m/s | 0.4 |
| 20:00 | Light rain shower | 18 °C | 81% (1.78 mm/hr) | 100% | 95% | 752 mm Hg | E 95° 1.61 (2.78) m/s | 0.1 |
| 21:00 | Patchy rain possible | 18 °C | 43% (0.11 mm/hr) | 100% | 95% | 752 mm Hg | SSE 159° 4.31 (7.17) m/s | 0 |
| 22:00 | Light drizzle | 18 °C | 55% (0.2 mm/hr) | 100% | 95% | 752 mm Hg | S 173° 5 (8.44) m/s | 0 |
| 23:00 |  Light drizzle | 18 °C | 63% (0.35 mm/hr) | 100% | 96% | 752 mm Hg | S 176° 5.31 (8.69) m/s | 0 |
Frequently asked questions about the weather in Helsinki
Today in Helsinki the temperature ranges from 17 °C to 24 °C, wind up to 5.31 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in Helsinki today is 81%. View the full multi-day forecast above to see the rain chances for each upcoming day.
The wind speed in Helsinki today reaches up to 5.31 m/s with gusts up to 8.69 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in Helsinki today ranges from 61% to 96%. View the humidity chart above for hourly details.
The UV index in Helsinki today reaches up to 5.1. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in Helsinki today ranges from 752 to 759 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in Helsinki today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
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.