Tomorrow
🌧️ Chance of rain
💧 Humidity
💨 Wind
☀️ Max UV
Tomorrow's live forecast and 7-day outlook for Helsinki, Finland
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See tomorrow's weather for Helsinki, Finland - the forecast high and low temperature, the chance of rain, wind and humidity, plus a full 7-day outlook. Everything updates live from Open-Meteo, so you always get the latest picture for Helsinki.
Helsinki has a cold, continental climate: short, comparatively mild summers and long, cold winters where frost and snow are common in the coldest months. Temperatures and daylight swing strongly between seasons, so tomorrow's forecast can look very different depending on the time of year.
Knowing whether it will rain in Helsinki tomorrow makes it easier to plan a commute, a day out or an outdoor event without being caught out.
On average, Helsinki's warmest month is July (around 21°C) and its coolest is January (around -4°C). The wettest month is typically September.
If you're planning a trip to Helsinki, aim for those months for the most comfortable daytime temperatures - and if you'd rather stay dry, steer clear of the wettest month shown above.
Planning some stargazing in Helsinki? The panel below shows tonight's moon phase, which planets are visible over Helsinki this evening (around 10 pm local time), and a live stargazing score based on tonight's cloud cover and moonlight. For the best view, get away from bright city lights and let your eyes adapt to the dark for 15-20 minutes.
Average temperatures, rainfall and what to pack in Helsinki - month by month:
Check tomorrow's weather in more cities:
The "Chance of rain" figure on this page shows tomorrow's rain probability for Helsinki, taken from a live Open-Meteo forecast. The higher the percentage, the more likely rain is - and the 7-day outlook shows how the following days are shaping up.
Tomorrow's forecast high and low for Helsinki are shown at the top of the page in degrees Celsius, together with a "feels like" value and the wind speed in kilometres per hour (km/h).
The forecast comes from Open-Meteo, which combines leading weather models such as ECMWF and GFS. New model runs are published several times a day, so the Helsinki forecast is refreshed every few hours.
The stargazing score on this page combines tonight's cloud-cover forecast for Helsinki with the moon's brightness. A clear night around a new moon scores highest, while a cloudy or full-moon night scores lower.
The most comfortable months to visit Helsinki are usually June, July, August and September, when daytime temperatures sit in a pleasant range.