See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
0°
Mostly Cloudy
Feels Like: -2°
Min: -1°
Max: 0°
The next few hours will be overcast, with today reaching 0°C and dropping to -1°C. The coming days will be flurries
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:23
Sunrise
18:13
Sunset
Moon
Waxing Gibbous
18:45
Moonrise
03:26
Moonset
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View stargazing scoreWeather in Longyearbyen today, September 25, 2026
Expect a muted, overcast feel in Longyearbyen on September 25, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 87% near 05:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near -1°C toward a daytime high of about 0°C. Moisture in the air spans 77%-88%, with the highest values around 22:00. Winds stay light, near 3.2 km/h by 23:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 87% by 23:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Expect sunrise at 07:23, sunset at 18:13, and 10 hours 50 minutes of sunlight today overall.
The practical takeaway for Longyearbyen on September 25, 2026 is a cloudy day that stays usable, just not particularly bright, around 0°C.
Frequently asked questions about weather in Longyearbyen
How warm does it get in Longyearbyen?
The warmest month in Longyearbyen is July, with average high temperatures of 8°C. The average temperature during this period is around 7°C.
How cold does it get in Longyearbyen?
The coldest month in Longyearbyen is March, with average low temperatures of -16°C. The average temperature during this period is around -14°C.
What is the wettest time of year in Longyearbyen?
The wettest month in Longyearbyen is September, with an average of 65mm of precipitation.
What is the driest time of year in Longyearbyen?
The driest month in Longyearbyen is June, with an average of 27mm of precipitation.
