5-day weather forecast Helsinki 01-09-2026
Weather forecast Helsinki today 01.09.2026: patchy rain possible, temperature from 14 °C to 19 °C.
Precipitation probability 42%. Wind up to 4.5 m/s (gusts 8.92 m/s). Air humidity 66–97%, atmospheric pressure 755–756 mm Hg, UV index up to 2.9.
5 days at a glance — tap a day to open it
Sunrise 06:15
Sunset 20:25
Sunset 20:25
Waning Gibbous70% illuminated
Moonrise 20:26 · Moonset 12:10
Moonrise 20:26 · Moonset 12:10
Chart
Table
Tue, Sep 1, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 14 °C | 33% (0.01 mm/hr) | 100% | 94% | 756 mm Hg | WSW 237° 3.5 (8.92) m/s | 0 |
| 01:00 | Patchy rain possible | 14 °C | 25% (0.01 mm/hr) | 70% | 93% | 756 mm Hg | WSW 244° 3 (8.5) m/s | 0 |
| 02:00 |  Overcast | 15 °C | 29% | 100% | 89% | 756 mm Hg | WSW 241° 3.31 (7.83) m/s | 0 |
| 03:00 | Overcast | 15 °C | 27% | 98% | 87% | 756 mm Hg | WSW 237° 2 (5.42) m/s | 0 |
| 04:00 | Patchy rain possible | 15 °C | 25% (0.01 mm/hr) | 91% | 85% | 756 mm Hg | SW 235° 2.5 (6.33) m/s | 0 |
| 05:00 | Patchy rain possible | 15 °C | 28% (0.01 mm/hr) | 88% | 91% | 756 mm Hg | SW 233° 2.5 (6.33) m/s | 0 |
| 06:00 |  Mist | 14 °C | 22% | 20% | 96% | 756 mm Hg | SW 221° 2.69 (6.61) m/s | 0 |
| 07:00 |  Fog | 14 °C | 42% | 100% | 97% | 756 mm Hg | SSW 209° 2.5 (6.61) m/s | 0 |
| 08:00 |  Patchy rain possible | 15 °C | 23% (0.01 mm/hr) | 59% | 94% | 756 mm Hg | SSW 206° 3 (6.53) m/s | 0.3 |
| 09:00 | Patchy rain possible | 16 °C | 19% (0.01 mm/hr) | 55% | 88% | 756 mm Hg | SSW 209° 3.31 (5.14) m/s | 0.7 |
| 10:00 | Patchy rain possible | 17 °C | 19% (0.01 mm/hr) | 71% | 82% | 756 mm Hg | SSW 211° 3.11 (4.42) m/s | 1.4 |
| 11:00 |  Partly cloudy | 18 °C | 10% | 28% | 77% | 756 mm Hg | SSW 206° 3.19 (4.39) m/s | 2.1 |
| 12:00 | Patchy rain possible | 19 °C | 13% (0.03 mm/hr) | 51% | 72% | 756 mm Hg | SW 216° 4.5 (5.81) m/s | 2.7 |
| 13:00 | Patchy rain possible | 19 °C | 13% (0.04 mm/hr) | 52% | 69% | 756 mm Hg | SW 218° 4.39 (5.61) m/s | 2.9 |
| 14:00 | Patchy rain possible | 19 °C | 16% (0.01 mm/hr) | 87% | 68% | 756 mm Hg | SSW 213° 4.31 (5.5) m/s | 2.8 |
| 15:00 | Patchy rain possible | 19 °C | 10% (0.01 mm/hr) | 52% | 69% | 756 mm Hg | SW 216° 3.69 (5.25) m/s | 2.5 |
| 16:00 | Patchy rain possible | 19 °C | 10% (0.01 mm/hr) | 58% | 66% | 756 mm Hg | SW 216° 3.5 (4.75) m/s | 1.8 |
| 17:00 | Patchy rain possible | 19 °C | 18% (0.03 mm/hr) | 93% | 68% | 756 mm Hg | SSW 208° 3.61 (4.53) m/s | 1.1 |
| 18:00 | Patchy rain possible | 18 °C | 15% (0.01 mm/hr) | 73% | 72% | 756 mm Hg | SW 214° 3.11 (4.92) m/s | 0.6 |
| 19:00 | Patchy rain possible | 17 °C | 22% (0.03 mm/hr) | 86% | 76% | 755 mm Hg | SW 218° 2.61 (4.81) m/s | 0.2 |
| 20:00 |  Sunny | 16 °C | 11% | 5% | 85% | 755 mm Hg | SW 214° 2.31 (4.11) m/s | 0 |
| 21:00 |  Clear | 15 °C | 14% | 5% | 90% | 755 mm Hg | SW 233° 2.31 (3.42) m/s | 0 |
| 22:00 |  Partly cloudy | 14 °C | 17% | 27% | 93% | 755 mm Hg | WSW 248° 2.19 (3.92) m/s | 0 |
| 23:00 | Mist | 14 °C | 28% | 62% | 94% | 755 mm Hg | W 266° 2.11 (2.81) m/s | 0 |
Tue, Sep 1, 2026
Frequently asked questions about the 5-day weather in Helsinki
What will the weather be like in Helsinki over the next 5 days?
Over the next 5 days in Helsinki the temperature is expected to range from about 9 to 20 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in Helsinki?
The chance of rain in Helsinki over the next 5 days reaches 61%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for Helsinki?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in Helsinki will be the warmest and which the coolest?
Over the next 5 days the temperature in Helsinki ranges from about 9 to 20 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Helsinki over the next 5 days?
Over the next 5 days the wind in Helsinki picks up to 6 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Helsinki is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 61%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Helsinki?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
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.