Weather Grundarfjordur long-term weather forecast

Long-term weather forecast for Grundarfjordur for ten days.

Wednesday, Sep 10

52 / 46°F

0.00 in

11 mph

46 °F	45 °F	12 am
48 °F	45 °F	6 am
50 °F	48 °F	12 pm
52 °F	52 °F	6 pm

sunrise 6:40 am
sunset 8:17 pm

HOURLY

During the day morning cloudy, in the afternoon initially cloudy, later overcast. The highest temperature 52 °F. Total rainfall 0.02 in. At night the lowest temperature 46 °F.

Interactive map weather Iceland

GPS: 64.9243; -23.2631

altitude: 9 ft
local time:

PLACES IN THE AREA

Weather forecast Grundarfjordur, Iceland extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 09/10/2025
12 AM 8 PM	cloudy	46 °F 45 °F	0.01 in	8 fps 5 mph north-northeast	29.4 in	95 %	45 °F	57 %	0%	25%	20%	34%
6 AM 2 AM	overcast	48 °F 46 °F	0.00 in	15 fps 10 mph north-northeast	29.3 in	92 %	45 °F	100 %	0%	100%	13%	61%
12 PM 8 AM	overcast	50 °F 48 °F	0.00 in	16 fps 11 mph north-northeast	29.3 in	87 %	46 °F	100 %	0%	100%	1%	1%
6 PM 2 PM	overcast	52 °F 50 °F	0.0 in	7 fps 5 mph north-northeast	29.2 in	84 %	46 °F	99 %	0%	96%	25%	47%
Thursday 09/11/2025
12 AM 8 PM	overcast	48 °F 46 °F	0.0 in	4 fps 2 mph south-southeast	29.3 in	93 %	46 °F	100 %	0%	20%	4%	100%
6 AM 2 AM	cloudy	45 °F 43 °F	0.0 in	3 fps 2 mph northeast	29.3 in	98 %	43 °F	60 %	0%	59%	3%	0%
12 PM 8 AM	overcast	55 °F 55 °F	0.0 in	8 fps 5 mph north-northeast	29.4 in	81 %	48 °F	96 %	0%	0%	72%	86%
6 PM 2 PM	overcast	54 °F 52 °F	0.0 in	12 fps 9 mph north-northeast	29.3 in	86 %	50 °F	98 %	0%	5%	0%	98%

Grundarfjordur, Iceland - information

State: Iceland

GPS coordinates: 64.9243; -23.2631

Time zone: Atlantic / Reykjavik time difference in hours with time in NY is -2 hours

Population: 852
Altitude: 9 ft
The administrative part:

West, Borgarnes
Grundarfjarðarbær, Grundarfjordur

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Weather Grundarfjordur, Iceland. Weather forecast for Grundarfjordur.

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Data source

Weather forecast for Grundarfjordur 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 Grundarfjordur

data are always in the local time

Sun and light

Sept. 10, 2025

Sunrise:	Sunset:
6:40 am	8:17 pm
Noon:	Length of day:
1:29 pm	13:37
Start of civil twilight*:	End of civil twilight*:
5:47 am	9:10 pm
Start of nautical twilight*:	End of nautical twilight*:
4:40 am	10:15 pm
Start of astronomical twilight*:	End of astronomical twilight*:
3:05 am	11:47 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/09/2025 7:58 pm	09/10/2025 11:33 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025