- Clothing
- Light waterproof jacket with an umbrella is a smart choice.
Tomorrow's Weather Forecast - Helsinki
Tomorrow's weather in Helsinki. high 16°C (61°F), low 10°C (50°F). Overcast.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Showers are likely in the afternoon and evening, with rain probability peaking near 67%. That risk lines up with humidity averaging 85% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 85%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 15 km/h is expected. Sunrise is at 6:40 AM and sunset at 7:51 PM, for about 13h 10m of daylight.
- Tomorrow
- 16°/ 10°
- Today17° / 10°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon12°
- Rain probability
- 0%
- Wind speed
- 7 km/h
AfternoonNoon – 6 PM16°
- Rain probability
- 55%
- Wind speed
- 15 km/h
Evening6 PM – Midn15°
- Rain probability
- 67%
- Wind speed
- 14 km/h
NightMidn – 6 AM11°
- Rain probability
- 0%
- Wind speed
- 15 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Outdoor plans may need flexibility; showers are likely.
- Travel
- Wet roads may slow traffic; allow a little extra time.
Sunrise & Sunset
Sunrise
Dawn 6:10 AMTotal Daylight
Full day forecastSolar noon 1:15 PM
Sunset
Dusk 8:21 PMvs today-6 min daylight
Sunrise shift2 min later
Sunset shift3 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Helsinki is forecast to reach a high of 16°C tomorrow, with an overnight low around 10°C. That's 1° above the long-term average high of 15°C for this time of year. It continues a recent pattern — 10 of the last 19 days with published data have run warmer than normal. Expect a high chance of rain (67% probability) and a gentle breeze averaging 15 km/h. Air quality is currently good (AQI 24), with no notable outdoor health concerns.
Today vs Normal
17°C+2° above normal
The long-term average high for today is 15°C.
10 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Good
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.