5-day weather forecast Helsinki 12-07-2026
Weather forecast Helsinki Sunday, July 12 12.07.2026: mist, temperature from 17 °C to 25 °C.
Precipitation probability 49%. Wind up to 6.81 m/s (gusts 11.86 m/s). Air humidity 63–97%, atmospheric pressure 761–762 mm Hg, UV index up to 5.4.
Weather Alerts
Hide alertsYellow heavy rain warning: Kymenlaakso and locally in the western part of the country, Sun 12.00 - 21.00
Heavy rain warning
Heavy rain warning: In Sunday noon and evening, probability for heavy rain is 30%.
Sunrise 04:17
Sunset 22:34
Sunset 22:34
New Moon2% illuminated
Moonrise 00:24 · Moonset 21:59
Moonrise 00:24 · Moonset 21:59
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Mist | 18 °C | 49% (0.13 mm/hr) | 89% | 97% | 762 mm Hg | N 1° 2.69 (5.67) m/s | 0 |
| 01:00 |  Partly cloudy | 18 °C | 21% | 42% | 96% | 762 mm Hg | N 355° 3.61 (7.56) m/s | 0 |
| 02:00 | Mist | 18 °C | 21% | 13% | 96% | 761 mm Hg | N 3° 3.31 (6.92) m/s | 0 |
| 03:00 | Mist | 18 °C | 20% | 11% | 96% | 761 mm Hg | NNE 19° 3.19 (6.72) m/s | 0 |
| 04:00 | Mist | 18 °C | 22% | 23% | 96% | 761 mm Hg | NNE 19° 2.81 (5.89) m/s | 0 |
| 05:00 |  Mist | 17 °C | 22% | 19% | 96% | 761 mm Hg | N 1° 2.89 (6.08) m/s | 0 |
| 06:00 | Mist | 18 °C | 21% | 19% | 95% | 761 mm Hg | N 10° 2.5 (5.25) m/s | 0.2 |
| 07:00 | Mist | 19 °C | 37% (0.02 mm/hr) | 88% | 95% | 761 mm Hg | NE 48° 1.89 (3.47) m/s | 0.5 |
| 08:00 |  Patchy rain possible | 19 °C | 29% (0.06 mm/hr) | 70% | 91% | 761 mm Hg | NNE 30° 2.39 (4.03) m/s | 1.1 |
| 09:00 |  Sunny | 21 °C | 13% | 23% | 85% | 761 mm Hg | NE 42° 2.61 (4) m/s | 2 |
| 10:00 | Sunny | 22 °C | 9% | 16% | 76% | 761 mm Hg | NE 48° 2.61 (3.86) m/s | 3 |
| 11:00 | Sunny | 23 °C | 7% | 17% | 71% | 761 mm Hg | ENE 57° 2.39 (3.64) m/s | 4.1 |
| 12:00 |  Patchy light rain with thunder | 24 °C | 47% (0.69 mm/hr) | 86% | 68% | 761 mm Hg | E 80° 2.5 (3.81) m/s | 4.9 |
| 13:00 | Sunny | 24 °C | 6% | 21% | 67% | 761 mm Hg | E 97° 2.61 (4) m/s | 5.4 |
| 14:00 |  Thundery outbreaks possible | 25 °C | 6% | 28% | 65% | 761 mm Hg | E 85° 2.11 (3.31) m/s | 5.1 |
| 15:00 | Thundery outbreaks possible | 25 °C | 6% | 28% | 63% | 761 mm Hg | E 91° 2.11 (3.56) m/s | 4.4 |
| 16:00 | Patchy light rain with thunder | 25 °C | 57% (1.05 mm/hr) | 80% | 64% | 761 mm Hg | E 96° 1.5 (2.69) m/s | 3.3 |
| 17:00 |  Moderate rain at times | 23 °C | 75% (3.57 mm/hr) | 85% | 76% | 761 mm Hg | E 85° 2.31 (4.61) m/s | 2.3 |
| 18:00 |  Light rain shower | 20 °C | 55% (0.79 mm/hr) | 50% | 89% | 761 mm Hg | ENE 66° 6.81 (11.69) m/s | 1.3 |
| 19:00 | Light rain shower | 19 °C | 65% (1.42 mm/hr) | 70% | 84% | 761 mm Hg | NE 37° 4.69 (9.86) m/s | 0.5 |
| 20:00 |  Moderate or heavy rain shower | 19 °C | 85% (4.88 mm/hr) | 70% | 94% | 762 mm Hg | NNW 328° 5.61 (11.53) m/s | 0.2 |
| 21:00 |  Moderate rain | 19 °C | 89% (3.76 mm/hr) | 100% | 96% | 762 mm Hg | NW 326° 6.19 (11.86) m/s | 0.1 |
| 22:00 |  Light rain | 19 °C | 79% (1.89 mm/hr) | 84% | 95% | 762 mm Hg | NNW 336° 6 (11.25) m/s | 0 |
| 23:00 |  Light rain shower | 19 °C | 54% (0.48 mm/hr) | 63% | 95% | 762 mm Hg | NNW 340° 5.89 (11.56) m/s | 0 |
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.