Weather Longyearbyen long-term weather forecast

Long-term weather forecast for Longyearbyen for ten days.

Thursday, Sep 11

46 / 41°F

0.00 in

4 mph

41 °F	39 °F	2 am
43 °F	39 °F	8 am
45 °F	43 °F	2 pm
43 °F	41 °F	8 pm

sunrise 5:06 am
sunset 8:36 pm

HOURLY

During the day overcast. The highest temperature 46 °F. At night light rain. The lowest temperature 41 °F. Total rainfall in.

Interactive map weather Svalbard and Jan Mayen

GPS: 78.2233; 15.6469

altitude: 0 ft
local time:

PLACES IN THE AREA

Weather forecast Longyearbyen, Svalbard and Jan Mayen extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Thursday 09/11/2025
2 AM 8 PM	overcast	41 °F 37 °F	0.0 in	5 fps 3 mph south-southwest	30.0 in	93 %	39 °F	100 %	0%	100%	31%	62%
8 AM 2 AM	overcast	43 °F 41 °F	0.0 in	5 fps 4 mph south-southeast	29.9 in	93 %	39 °F	100 %	0%	100%	53%	54%
2 PM 8 AM	overcast	45 °F 43 °F	0.0 in	5 fps 4 mph west-southwest	29.9 in	90 %	41 °F	100 %	0%	100%	21%	21%
8 PM 2 PM	overcast	43 °F 41 °F	0.0 in	4 fps 3 mph west-southwest	29.9 in	94 %	41 °F	100 %	0%	100%	46%	3%
Friday 09/12/2025
2 AM 8 PM	light rain	43 °F 41 °F	0.00-0.07 in	4 fps 3 mph south-southeast	29.9 in	95 %	41 °F	100 %	0%	100%	52%	32%
8 AM 2 AM	overcast	43 °F 41 °F	0.0 in	4 fps 3 mph south-southeast	29.9 in	93 %	41 °F	100 %	0%	100%	100%	31%
2 PM 8 AM	overcast	43 °F 39 °F	0.0 in	6 fps 4 mph south-southwest	29.9 in	89 %	39 °F	100 %	0%	100%	30%	0%
8 PM 2 PM	light rain	41 °F 37 °F	0.00-0.06 in	5 fps 4 mph west-southwest	29.9 in	91 %	37 °F	100 %	0%	100%	20%	3%

Longyearbyen, Svalbard and Jan Mayen - information

State: Svalbard and Jan Mayen

GPS coordinates: 78.2233; 15.6469

Time zone: Arctic / Longyearbyen

Population: 2 368
Altitude: 0 ft
The administrative part:

Svalbard, Longyearbyen
Spitsbergen, Longyearbyen

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Weather Longyearbyen, Svalbard and Jan Mayen. Weather forecast Longyearbyen.

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Data source

Weather forecast for Longyearbyen is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Longyearbyen

data are always in the local time

Sun and light

Sept. 11, 2025

Sunrise:	Sunset:
5:06 am	8:36 pm
Noon:	Length of day:
12:53 pm	15:29
Start of civil twilight*:	End of civil twilight*:
2:34 am	10:59 pm
Start of nautical twilight*:	End of nautical twilight*:
does not occur	does not occur
Start of astronomical twilight*:	End of astronomical twilight*:
does not occur	does not occur
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
does not occur	does not occur
Next new moon:	Next full moon:
09/21/2025	10/06/2025