See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:14
Sunrise
18:45
Sunset
Moon
Waxing Gibbous
18:31
Moonrise
04:57
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Siilinjärvi.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Siilinjärvi.
View stargazing scoreWeather in Siilinjärvi today, September 25, 2026
Expect reduced visibility in Siilinjärvi on September 25, 2026 where fog patches form. Allow more time for morning journeys if the air stays thick. The first half of the day looks overcast, as cloud amounts reach about 79% around 11:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 11°C up to 15°C. Moisture in the air spans 73%-92%, with the highest values around 23:00. Expect gentle winds, highest near 16:00 at 5.4 km/h.
Expect persistent cloud later on, with amounts around 100% by 16:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 29.3 km on average, though it can drop toward 18.8 km in thicker cloud or showers. Expect sunrise at 07:14, sunset at 18:45, and 11 hours 31 minutes of sunlight today overall.
Taken together, murky spells in Siilinjärvi on September 25, 2026 favour slower morning movement before any clearer air arrives.
Frequently asked questions about weather in Siilinjärvi
How warm does it get in Siilinjärvi?
The warmest month in Siilinjärvi is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Siilinjärvi?
The coldest month in Siilinjärvi is January, with average low temperatures of -10°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Siilinjärvi?
The wettest month in Siilinjärvi is July, with an average of 96mm of precipitation.
What is the driest time of year in Siilinjärvi?
The driest month in Siilinjärvi is March, with an average of 39mm of precipitation.
