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October weather forecast in Keflavík

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

28 September, sun

	752 mmHg		78%
	9 m/s		+10

28 September, Sunday. day, 8°; night, 7°; partly cloudy

29 September, mon

	750 mmHg		80%
	11.1 m/s		+10

29 September, Monday. day, 8°; night, 6°; rain

30 September, tue

	749 mmHg		78%
	10.4 m/s		+10

30 September, Tuesday. day, 8°; night, 6°; rain

1 October, wed

	750 mmHg		80%
	11.1 m/s		+10

1 October, Wednesday. day, 8°; night, 6°; rain

2 October, thu

	749 mmHg		81%
	11.4 m/s		+10

2 October, Thursday. day, 8°; night, 6°; rain

3 October, fri

	749 mmHg		77%
	10.8 m/s		+9

3 October, Friday. day, 7°; night, 6°; rain

4 October, sat

	751 mmHg		78%
	10.9 m/s		+9

4 October, Saturday. day, 7°; night, 6°; partly cloudy

5 October, sun

	750 mmHg		78%
	11.4 m/s		+9

5 October, Sunday. day, 7°; night, 6°; rain

6 October, mon

	750 mmHg		78%
	11.1 m/s		+9

6 October, Monday. day, 7°; night, 6°; rain

7 October, tue

	751 mmHg		76%
	9.89 m/s		+9

7 October, Tuesday. day, 8°; night, 6°; clear

8 October, wed

	751 mmHg		80%
	10.2 m/s		+9

8 October, Wednesday. day, 7°; night, 6°; rain

9 October, thu

	751 mmHg		80%
	11.2 m/s		+9

9 October, Thursday. day, 7°; night, 5°; rain

10 October, fri

	752 mmHg		79%
	10.9 m/s		+9

10 October, Friday. day, 7°; night, 5°; rain

11 October, sat

	754 mmHg		79%
	10.7 m/s		+9

11 October, Saturday. day, 7°; night, 5°; partly cloudy

12 October, sun

	753 mmHg		80%
	11 m/s		+9

12 October, Sunday. day, 7°; night, 5°; rain

13 October, mon

	753 mmHg		80%
	10.6 m/s		+9

13 October, Monday. day, 7°; night, 5°; rain

14 October, tue

	753 mmHg		80%
	10.7 m/s		+9

14 October, Tuesday. day, 7°; night, 5°; rain

15 October, wed

	754 mmHg		82%
	9.89 m/s		+9

15 October, Wednesday. day, 7°; night, 6°; rain

16 October, thu

	756 mmHg		83%
	9.3 m/s		+9

16 October, Thursday. day, 7°; night, 5°; rain

17 October, fri

	756 mmHg		81%
	9.89 m/s		+9

17 October, Friday. day, 7°; night, 5°; overcast

18 October, sat

	755 mmHg		79%
	10.1 m/s		+9

18 October, Saturday. day, 6°; night, 5°; partly cloudy

19 October, sun

	756 mmHg		78%
	10.3 m/s		+9

19 October, Sunday. day, 6°; night, 5°; overcast

20 October, mon

	754 mmHg		78%
	10.5 m/s		+9

20 October, Monday. day, 6°; night, 4°; partly cloudy

21 October, tue

	753 mmHg		77%
	9.39 m/s		+9

21 October, Tuesday. day, 6°; night, 4°; clear

22 October, wed

	751 mmHg		79%
	9.3 m/s		+8

22 October, Wednesday. day, 6°; night, 4°; overcast

23 October, thu

	750 mmHg		80%
	9.5 m/s		+8

23 October, Thursday. day, 6°; night, 4°; overcast

24 October, fri

	751 mmHg		79%
	10.1 m/s		+8

24 October, Friday. day, 5°; night, 4°; partly cloudy

25 October, sat

	750 mmHg		78%
	10.2 m/s		+8

25 October, Saturday. day, 5°; night, 3°; rain

26 October, sun

	750 mmHg		78%
	10.9 m/s		+8

26 October, Sunday. day, 5°; night, 3°; rain

27 October, mon

	750 mmHg		78%
	11.1 m/s		+8

27 October, Monday. day, 5°; night, 3°; clear

28 October, tue

	750 mmHg		77%
	11.2 m/s		+8

28 October, Tuesday. day, 6°; night, 4°; rain

29 October, wed

	750 mmHg		80%
	10.2 m/s		+8

29 October, Wednesday. day, 5°; night, 4°; rain

30 October, thu

	751 mmHg		79%
	10.7 m/s		+8

30 October, Thursday. day, 5°; night, 3°; partly cloudy

31 October, fri

	751 mmHg		78%
	11.1 m/s		+8

31 October, Friday. day, 5°; night, 3°; rain

1 November, sat

	750 mmHg		79%
	11.4 m/s		+8

1 November, Saturday. day, 5°; night, 3°; partly cloudy

Average data for 10 years

Keflavík October

3

sunny days

18

days with precipitation

13

cloudy days

3 sunny days; 18 days with precipitation; 13 cloudy days;

79

%

air humidity

7.8

m/s

WindSE

133

mm of precipitation

(10% of annual average)

+9

°C

Water temperature

air humidity 79%; 133 millimeters of precipitation (10% of annual average); Wind south-easterly 7.8 Meters per second; Water temperature +9°

Weather graphs for October

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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1

Average data for 10 years

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Daytime temperature

Night-time temperature

Cities near you

Reykyavik
Torshavn
Akureyri
Isafjordur
Jan Mayen
Selfoss
Vestmannaeyjar
Borgarnes
Akranes

Cities with similar weather in October

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Gdansk

The weather forecast for October 2025 is based on historical data from the past 10 years.

In October, the weather in Keflavík is typically cold. Average daily high temperature in October is about 6 degrees above zero. On average, Keflavík has 18 rainy, 6 partly cloudy, 4 cloudy, and 3 sunny days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Keflavík.

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