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Monthly 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
8
September
+9
+4
8 September, sun
+9
+4
Feels like
−1
750 mmHg
77%
8.8
m/s
W
+10
Climate normal
+10
+9
8 September, Sunday. day, 9°; night, 4°; light rain
9
+7
+5
9 September, mon
+7
+5
Feels like
−7
755 mmHg
66%
15.9
m/s
N
+10
Climate normal
+11
+9
9 September, Monday. day, 7°; night, 5°; partly cloudy
10
+9
+5
10 September, tue
+9
+5
Feels like
−6
762 mmHg
56%
16.5
m/s
N
+10
Climate normal
+10
+9
10 September, Tuesday. day, 9°; night, 5°; partly cloudy
11
+9
+5
11 September, wed
+9
+5
Feels like
−1
765 mmHg
62%
8.5
m/s
N
+10
Climate normal
+10
+9
11 September, Wednesday. day, 9°; night, 5°; clear
12
+8
+5
12 September, thu
+8
+5
Feels like
+1
761 mmHg
70%
6.1
m/s
N
+10
Climate normal
+10
+9
12 September, Thursday. day, 8°; night, 5°; light rain
13
+9
+6
13 September, fri
+9
+6
Feels like
−2
753 mmHg
72%
9.9
m/s
E
+10
Climate normal
+11
+9
13 September, Friday. day, 9°; night, 6°; overcast
14
+8
+7
14 September, sat
+8
+7
Feels like
−1
749 mmHg
83%
9
m/s
NE
+9
Climate normal
+10
+9
14 September, Saturday. day, 8°; night, 7°; light rain
15
+9
+7
15 September, sun
+9
+7
Feels like
+2
754 mmHg
81%
6.7
m/s
N
+9
Climate normal
+10
+9
15 September, Sunday. day, 9°; night, 7°; light rain
16
+9
+5
16 September, mon
+9
+5
Feels like
+1
757 mmHg
79%
8.1
m/s
N
+9
Climate normal
+10
+9
16 September, Monday. day, 9°; night, 5°; partly cloudy
17
+10
+8
17 September, tue
+10
+8
Feels like
−6
757 mmHg
78%
17.8
m/s
NE
+9
Climate normal
+9
+8
17 September, Tuesday. day, 10°; night, 8°; light rain
18
+11
+10
18 September, wed
+11
+10
Feels like
−4
755 mmHg
75%
18.5
m/s
SE
Climate normal
+9
+8
18 September, Wednesday. day, 11°; night, 10°; light rain
19
+11
+9
19 September, thu
+11
+9
Feels like
+2
752 mmHg
76%
10.5
m/s
SW
Climate normal
+9
+8
19 September, Thursday. day, 11°; night, 9°; light rain
20
+9
+9
20 September, fri
+9
+9
Feels like
+1
759 mmHg
74%
9
m/s
SW
Climate normal
+9
+7
20 September, Friday. day, 9°; night, 9°; light rain
21
+10
+10
21 September, sat
+10
+10
Feels like
−5
756 mmHg
82%
18.9
m/s
SE
Climate normal
+9
+8
21 September, Saturday. day, 10°; night, 10°; rain
22
+9
+8
22 September, sun
+9
+8
Feels like
+1
747 mmHg
79%
9.5
m/s
SW
Climate normal
+9
+8
22 September, Sunday. day, 9°; night, 8°; partly cloudy
23
+9
+6
23 September, mon
+9
+6
Feels like
+2
748 mmHg
82%
7.4
m/s
NW
Climate normal
+10
+9
23 September, Monday. day, 9°; night, 6°; light rain
24
+6
+6
24 September, tue
+6
+6
Feels like
−2
751 mmHg
73%
7.3
m/s
NE
Climate normal
+10
+9
24 September, Tuesday. day, 6°; night, 6°; partly cloudy
25
+5
+4
25 September, wed
+5
+4
Feels like
−2
749 mmHg
74%
7.7
m/s
N
Climate normal
+10
+8
25 September, Wednesday. day, 5°; night, 4°; partly cloudy
26
+5
+5
26 September, thu
+5
+5
Feels like
−2
758 mmHg
66%
7.3
m/s
N
Climate normal
+8
+7
26 September, Thursday. day, 5°; night, 5°; mostly clear
27
+7
+6
27 September, fri
+7
+6
Feels like
0
758 mmHg
78%
7.6
m/s
E
Climate normal
+8
+7
27 September, Friday. day, 7°; night, 6°; light rain
28
+7
+6
28 September, sat
+7
+6
Feels like
+4
754 mmHg
75%
2.6
m/s
W
Climate normal
+9
+8
28 September, Saturday. day, 7°; night, 6°; partly cloudy
29
+5
+4
29 September, sun
+5
+4
Feels like
−2
756 mmHg
76%
7.9
m/s
N
Climate normal
+8
+7
29 September, Sunday. day, 5°; night, 4°; clear
30
+5
+4
30 September, mon
+5
+4
Feels like
−3
757 mmHg
74%
7.5
m/s
N
Climate normal
+8
+7
30 September, Monday. day, 5°; night, 4°; partly cloudy
1 October
+7
+5
1 October, tue
+7
+5
Feels like
−4
755 mmHg
75%
11.5
m/s
NE
Climate normal
+8
+6
1 October, Tuesday. day, 7°; night, 5°; partly cloudy
2
+6
+5
2 October, wed
+6
+5
Feels like
−6
744 mmHg
69%
12.8
m/s
NE
Climate normal
+7
+5
2 October, Wednesday. day, 6°; night, 5°; light rain
3
+7
+6
3 October, thu
+7
+6
Feels like
−1
745 mmHg
76%
8.9
m/s
NE
Climate normal
+7
+6
3 October, Thursday. day, 7°; night, 6°; light rain
4
+6
+5
4 October, fri
+6
+5
Feels like
−1
754 mmHg
73%
7
m/s
N
Climate normal
+7
+6
4 October, Friday. day, 6°; night, 5°; partly cloudy
5
+5
+5
5 October, sat
+5
+5
Feels like
−2
761 mmHg
67%
5.9
m/s
N
Climate normal
+7
+7
5 October, Saturday. day, 5°; night, 5°; clear
6
+8
+8
6 October, sun
+8
+8
Feels like
+2
760 mmHg
73%
5.2
m/s
SW
Climate normal
+8
+7
6 October, Sunday. day, 8°; night, 8°; mostly clear
7
+9
+9
7 October, mon
+9
+9
Feels like
+4
756 mmHg
89%
5.6
m/s
S
Climate normal
+8
+6
7 October, Monday. day, 9°; night, 9°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
8
+8
+6
8 October, tue
+8
+6
Feels like
0
748 mmHg
75%
10.6
m/s
SE
+9
8 October, Tuesday. day, 8°; night, 6°; clear
9
+8
+7
9 October, wed
+8
+7
Feels like
+1
747 mmHg
77%
11.3
m/s
E
+9
9 October, Wednesday. day, 8°; night, 7°; rain
10
+8
+7
10 October, thu
+8
+7
Feels like
0
748 mmHg
80%
12.1
m/s
SE
+9
10 October, Thursday. day, 8°; night, 7°; rain
11
+8
+8
11 October, fri
+8
+8
Feels like
0
748 mmHg
82%
13.3
m/s
SE
+9
11 October, Friday. day, 8°; night, 8°; rain
12
+8
+7
12 October, sat
+8
+7
Feels like
+1
746 mmHg
80%
10.8
m/s
SE
+9
12 October, Saturday. day, 8°; night, 7°; rain
Average for 30 days
6
sunny days
12
days with precipitation
12
cloudy days
6 sunny days; 12 days with precipitation; 12 cloudy days;
74
%
air humidity
9.5
m/s
Wind
N
9
mm of precipitation
(1% of annual average)
+10
°C
Water temperature
air humidity 74%; 9 millimeters of precipitation (1% of annual average); Wind northerly 9.5 Meters per second; Water temperature +10°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
N
N
N
N
E
NE
N
N
NE
SE
SW
SW
SE
SW
NW
NE
N
N
E
W
N
N
NE
NE
NE
N
N
SW
S
8
Average data for 10 years
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
Daytime temperature
Night-time temperature
