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Hourly Forecast
Daylight Hours
06:54
Sunrise
18:15
Sunset
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Waxing Gibbous
18:12
Moonrise
04:15
Moonset
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View stargazing scoreWeather in Tromsø today, September 25, 2026
Expect unsettled, showery conditions in Tromsø on September 25, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Cloud leads the morning, peaking close to 100% near 05:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 4°C toward a daytime high of about 9°C. Relative humidity sits between 77% and 99%, reaching its peak around 05:00. Winds stay light, near 2.2 km/h by 11:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 16.0 km on average, though it can drop toward 14.3 km in thicker cloud or showers. The sun rises at 06:54 and sets at 18:15, for a total of 11 hours 20 minutes of sunlight today.
The practical takeaway for Tromsø on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 9°C.
Frequently asked questions about weather in Tromsø
How warm does it get in Tromsø?
The warmest month in Tromsø is July, with average high temperatures of 16°C. The average temperature during this period is around 13°C.
How cold does it get in Tromsø?
The coldest month in Tromsø is January, with average low temperatures of -8°C. The average temperature during this period is around -6°C.
What is the wettest time of year in Tromsø?
The wettest month in Tromsø is August, with an average of 136mm of precipitation.
What is the driest time of year in Tromsø?
The driest month in Tromsø is July, with an average of 95mm of precipitation.
