Weather in Finland - today, tomorrow and 14-day forecast
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Finland's cities today
Weather map - today's temperatures
Next days in Finland
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Finland, the forecast high is 13°C. Typical daytime temperatures at this time of year range from 14°C to 18°C, so it will be cooler than usual. It is cooler than 86% of similar days.
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 16°C by day. The coolest year was 1996 (11°C) and the warmest was 2024 (22°C). The current forecast averages 15°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Finland
14-day forecast - Finland
Finland 30 & 45-day weather - long-range outlook
Today vs the next days - Finland cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| ☁️ Helsinki | 17℃ | 16℃ | 15℃ | 1 mm |
| ☁️ Vantaa | 17℃ | 16℃ | 15℃ | 0.3 mm |
| ☁️ Espoo | 17℃ | 16℃ | 15℃ | 0.4 mm |
| 🌧️ Turku | 16℃ | 17℃ | 16℃ | 1.3 mm |
| 🌧️ Lahti | 16℃ | 16℃ | 17℃ | 0.7 mm |
| 🌤️ Pori | 16℃ | 16℃ | 16℃ | 0.5 mm |
| ☁️ Jyväskylä | 13℃ | 15℃ | 14℃ | 0.5 mm |
| 🌧️ Tampere | 13℃ | 17℃ | 16℃ | 2.1 mm |
| 🌧️ Oulu | 11℃ | 12℃ | 13℃ | 1.3 mm |
| 🌧️ Rovaniemi | 7℃ | 9℃ | 13℃ | 9.1 mm |
Day-by-day forecast for Finland
Sea temperature - Finland
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Turku | 18℃ | 17℃ | 0 m | cold |
| Espoo | 18℃ | 17℃ | 0.1 m | cold |
| Helsinki | 18℃ | 17℃ | 0 m | cold |
| Vantaa | 17℃ | 17℃ | 0.1 m | cold |
| Pori | 17℃ | 16℃ | 0.2 m | cold |
| Oulu | 16℃ | 15℃ | 0 m | cold |
Air quality and smog in Finland
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Tampere | 4.5 | 5.5 | very good |
| Vantaa | 4.1 | 4.9 | very good |
| Espoo | 3.8 | 5.6 | very good |
| Helsinki | 3 | 4.5 | very good |
| Turku | 2.7 | 3.4 | very good |
| Oulu | 1.5 | 1.8 | very good |