Longyearbyen Weather Now, Svalbard and Jan Mayen

Current model conditions, today's hourly weather and a seven-day forecast inLongyearbyen's local time.

Use Fahrenheit

Local city time: 21 Oct 2026, 18:17 CEST · Arctic/Longyearbyen

Weather today Hourly forecast Tomorrow's forecast Next 24 hours 7-day forecast Data sources

Current model estimate · 2026-10-21

Longyearbyen temperature today

3.9°C

Partly cloudy · Feels like -0.9°C

Valid at 21 Oct 2026, 17:00 CEST
Modelled conditions, not a station observation.

Remaining sample high4.4°C

Remaining sample low3.9°C

Wind25.2 km/h

Wind gusts36.7 km/h

Rain probabilityNot available

Precipitation amountNot available

Hourly forecast

Next available hours · Arctic/Longyearbyen. Repeated local hours include their timezone offset.

Temperature°C · Arctic/Longyearbyen

Precipitation amountmm · Arctic/Longyearbyen

View all 48 hourly values

47 available hourly values. Missing values are never replaced by zero.
City-local time	Temperature	Rain chance	Amount	Wind	Gusts	Humidity
21 Oct 2026, 18:00 CEST	4.0°C	Not available	0.0 mm	27.4 km/h	38.5 km/h	91.8%
21 Oct 2026, 19:00 CEST	4.2°C	Not available	0.0 mm	31.0 km/h	43.2 km/h	90.8%
21 Oct 2026, 20:00 CEST	4.1°C	Not available	0.2 mm	31.0 km/h	43.6 km/h	92.7%
21 Oct 2026, 21:00 CEST	4.2°C	Not available	0.4 mm	28.1 km/h	43.6 km/h	92.2%
21 Oct 2026, 22:00 CEST	4.2°C	Not available	0.3 mm	28.4 km/h	40.7 km/h	92.7%
21 Oct 2026, 23:00 CEST	4.4°C	Not available	0.3 mm	29.5 km/h	42.5 km/h	93.2%
22 Oct 2026, 00:00 CEST	4.5°C	Not available	0.2 mm	27.0 km/h	42.8 km/h	93.5%
22 Oct 2026, 01:00 CEST	4.4°C	Not available	0.1 mm	27.0 km/h	39.6 km/h	94.4%
22 Oct 2026, 02:00 CEST	4.1°C	Not available	0.3 mm	24.5 km/h	38.9 km/h	94.5%
22 Oct 2026, 03:00 CEST	4.2°C	Not available	0.2 mm	27.4 km/h	39.6 km/h	92.2%
22 Oct 2026, 04:00 CEST	4.3°C	Not available	0.0 mm	29.9 km/h	44.3 km/h	93.1%
22 Oct 2026, 05:00 CEST	4.5°C	Not available	0.0 mm	23.8 km/h	42.8 km/h	92.4%
22 Oct 2026, 06:00 CEST	3.8°C	Not available	0.0 mm	21.2 km/h	34.6 km/h	93.8%
22 Oct 2026, 07:00 CEST	3.4°C	Not available	0.0 mm	20.2 km/h	30.6 km/h	95.4%
22 Oct 2026, 08:00 CEST	3.8°C	Not available	0.0 mm	24.5 km/h	35.6 km/h	94.8%
22 Oct 2026, 09:00 CEST	4.0°C	Not available	0.2 mm	27.7 km/h	40.0 km/h	93.2%
22 Oct 2026, 10:00 CEST	4.3°C	Not available	0.3 mm	25.2 km/h	41.8 km/h	91.6%
22 Oct 2026, 11:00 CEST	4.5°C	Not available	0.4 mm	18.7 km/h	36.4 km/h	92.1%
22 Oct 2026, 12:00 CEST	4.6°C	Not available	0.2 mm	23.8 km/h	34.9 km/h	93.8%
22 Oct 2026, 13:00 CEST	3.8°C	Not available	0.2 mm	21.2 km/h	34.9 km/h	98.2%
22 Oct 2026, 14:00 CEST	2.7°C	Not available	0.0 mm	20.5 km/h	31.0 km/h	91.2%
22 Oct 2026, 15:00 CEST	2.3°C	Not available	0.0 mm	20.2 km/h	30.2 km/h	88.5%
22 Oct 2026, 16:00 CEST	2.2°C	Not available	0.0 mm	20.5 km/h	30.2 km/h	84.6%
22 Oct 2026, 17:00 CEST	2.1°C	Not available	0.0 mm	16.9 km/h	29.9 km/h	80.7%
22 Oct 2026, 18:00 CEST	1.3°C	Not available	0.0 mm	17.3 km/h	25.9 km/h	79.8%
22 Oct 2026, 19:00 CEST	0.4°C	Not available	0.0 mm	16.6 km/h	25.2 km/h	80.6%
22 Oct 2026, 20:00 CEST	-0.3°C	Not available	0.0 mm	16.9 km/h	25.2 km/h	82.6%
22 Oct 2026, 21:00 CEST	-1.5°C	Not available	0.0 mm	19.4 km/h	27.7 km/h	76.5%
22 Oct 2026, 22:00 CEST	-0.9°C	Not available	0.0 mm	13.0 km/h	27.7 km/h	72.2%
22 Oct 2026, 23:00 CEST	-0.5°C	Not available	0.0 mm	10.8 km/h	20.9 km/h	69.9%
23 Oct 2026, 00:00 CEST	-0.4°C	Not available	0.0 mm	3.2 km/h	15.5 km/h	76.4%
23 Oct 2026, 01:00 CEST	0.3°C	Not available	0.1 mm	8.3 km/h	11.5 km/h	73.5%
23 Oct 2026, 02:00 CEST	0.3°C	Not available	0.2 mm	18.0 km/h	24.8 km/h	79.5%
23 Oct 2026, 03:00 CEST	0.0°C	Not available	0.2 mm	20.9 km/h	29.2 km/h	79.7%
23 Oct 2026, 04:00 CEST	-0.3°C	Not available	0.0 mm	23.0 km/h	32.0 km/h	78.4%
23 Oct 2026, 05:00 CEST	-0.4°C	Not available	0.0 mm	24.8 km/h	34.9 km/h	76.9%
23 Oct 2026, 06:00 CEST	-0.6°C	Not available	0.0 mm	25.9 km/h	36.4 km/h	76%
23 Oct 2026, 07:00 CEST	-1.3°C	Not available	0.0 mm	31.0 km/h	43.6 km/h	75.6%
23 Oct 2026, 08:00 CEST	-1.5°C	Not available	0.0 mm	33.5 km/h	47.2 km/h	75.8%
23 Oct 2026, 09:00 CEST	-1.4°C	Not available	0.0 mm	32.4 km/h	47.2 km/h	75.8%
23 Oct 2026, 10:00 CEST	-1.0°C	Not available	0.0 mm	32.0 km/h	45.4 km/h	76.5%
23 Oct 2026, 11:00 CEST	-0.9°C	Not available	0.0 mm	33.5 km/h	47.5 km/h	77%
23 Oct 2026, 12:00 CEST	-0.9°C	Not available	0.0 mm	36.0 km/h	50.8 km/h	78.2%
23 Oct 2026, 13:00 CEST	-0.6°C	Not available	0.0 mm	36.4 km/h	51.5 km/h	78.3%
23 Oct 2026, 14:00 CEST	-0.4°C	Not available	0.3 mm	36.7 km/h	52.2 km/h	78.6%
23 Oct 2026, 15:00 CEST	-0.4°C	Not available	0.5 mm	38.2 km/h	53.6 km/h	79.6%
23 Oct 2026, 16:00 CEST	-0.2°C	Not available	0.4 mm	38.5 km/h	54.0 km/h	79%

These figures compare available forecast samples, not full-day extrema. Today's earlier hours are not included.

Tomorrow's forecast · 2026-10-22

Forecast high: 4.6°C · Forecast low: -1.5°C

Tomorrow's forecast high is 0.2°C higher than today's forecast high. This compares forecasts from one snapshot, not observed records.

Planning window

Next 24 hours at a glance

Arctic/Longyearbyen

Calculated from 24 validated hourly model values in this snapshot. These are forecast signals, not observations or weather warnings.

Temperature span2.1°C to 4.6°CLowest and highest hourly estimate

Largest hourly precipitation amount0.4 mmModel hour 21 Oct 2026, 21:00 CEST

Strongest wind signal44.3 km/hGust at 22 Oct 2026, 04:00 CEST

Humidity range80.7% to 98.2%Across available hourly values

7-day forecast

Ranges of available forecast samples by city-local day; today covers remaining hours. These are not official daily extrema. Missing totals and probabilities are not estimated.
Local date	Low / High	Rain chance	Amount	Sunrise	Sunset	UV index
2026-10-21 · Today	3.9°C / 4.4°C	Not available	Not available	Not available	Not available	Not available
2026-10-22 · Tomorrow	-1.5°C / 4.6°C	Not available	Not available	Not available	Not available	Not available
2026-10-23	-1.5°C / 1.7°C	Not available	Not available	Not available	Not available	Not available
2026-10-24	2.1°C / 3.0°C	Not available	Not available	Not available	Not available	Not available
2026-10-25	2.3°C / 3.1°C	Not available	Not available	Not available	Not available	Not available
2026-10-26	2.4°C / 2.5°C	Not available	Not available	Not available	Not available	Not available
2026-10-27	2.4°C / 2.7°C	Not available	Not available	Not available	Not available	Not available

Daily low/high values are ranges of available forecast samples, not official daily extrema. Today covers the remaining forecast hours.

Missing precipitation probabilities and local-day totals are unavailable, never inferred from market prices.

Provider time is the product update timestamp, not the underlying model run.

Data sources & methodology

Weather data from MET Norway (CC BY 4.0). Wind units converted; local-day sampled temperature ranges calculated by this site.MET Norway · Data licence · Location: GeoNames

Product: MET Norway Locationforecast — global numerical model forecast. Provider model issue time: 21 Oct 2026, 16:13 CEST. Retrieved: 21 Oct 2026, 17:09 CEST.

Requested coordinates: 78.22334, 15.64689. Returned model grid: 78.2233, 15.6468. Forecasts can change; they are not official warnings. Warning feed: not connected.

How validation, units and delayed updates work →

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