Keflavik (Iceland) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 8° Celsius;
Cloudy changing to drizzle by lunchtime.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
6 day forecast for Keflavik
Tomorrow (16 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
 |
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
40%
|
50%
|
50%
|
30%
|
20%
|
20%
|
10%
|
10%
|
20%
|
20%
|
| Temperature |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
| Feels like temperature (°C) |
8°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
| Wind direction and speed |
ESE
6
|
ESE
6
|
E
6
|
ENE
7
|
ENE
7
|
ENE
7
|
ENE
7
|
ENE
8
|
ENE
8
|
E
8
|
E
8
|
ESE
8
|
ESE
8
|
SE
9
|
SE
9
|
ESE
9
|
ESE
9
|
ESE
8
|
ESE
7
|
E
7
|
ESE
7
|
ESE
7
|
ESE
8
|
ESE
7
|
| Wind gust (mph) |
10
|
10
|
11
|
11
|
12
|
11
|
11
|
12
|
12
|
13
|
14
|
14
|
15
|
15
|
16
|
16
|
15
|
14
|
13
|
12
|
11
|
12
|
12
|
12
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
VG
|
| Humidity |
85%
|
85%
|
85%
|
86%
|
85%
|
86%
|
86%
|
86%
|
85%
|
84%
|
81%
|
79%
|
76%
|
76%
|
77%
|
79%
|
79%
|
79%
|
79%
|
82%
|
83%
|
83%
|
82%
|
82%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Wednesday (17 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
4°
|
4°
|
4°
|
3°
|
| Wind direction and speed (mph) |
ESE
7
|
ESE
7
|
ESE
7
|
ESE
6
|
E
6
|
ENE
6
|
NE
6
|
NE
7
|
NE
8
|
ENE
8
|
ENE
7
|
ENE
7
|
ENE
8
|
NE
7
|
NE
8
|
NNE
9
|
NNE
11
|
NNE
13
|
NNE
14
|
NNE
15
|
NNE
16
|
NE
15
|
NE
14
|
NE
12
|
| Wind gust (mph) |
11
|
11
|
11
|
10
|
10
|
10
|
11
|
13
|
13
|
13
|
13
|
14
|
13
|
15
|
17
|
18
|
20
|
22
|
23
|
25
|
25
|
23
|
21
|
21
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
82%
|
81%
|
81%
|
81%
|
81%
|
81%
|
80%
|
78%
|
79%
|
77%
|
74%
|
72%
|
71%
|
71%
|
69%
|
67%
|
66%
|
66%
|
65%
|
65%
|
65%
|
66%
|
67%
|
66%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Thursday (18 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
3°
|
2°
|
1°
|
1°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
1°
|
1°
|
2°
|
2°
|
2°
|
3°
|
3°
|
2°
|
1°
|
1°
|
0°
|
0°
|
0°
|
| Wind direction and speed (mph) |
NE
13
|
NE
15
|
NE
16
|
NE
16
|
NE
16
|
NE
17
|
NE
17
|
NE
17
|
NE
18
|
NE
18
|
NE
18
|
NE
18
|
NE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
20
|
NNE
20
|
NNE
21
|
NNE
21
|
NNE
20
|
NNE
20
|
NNE
20
|
NNE
19
|
| Wind gust (mph) |
23
|
24
|
25
|
26
|
27
|
27
|
27
|
28
|
29
|
30
|
30
|
31
|
31
|
32
|
32
|
34
|
34
|
34
|
34
|
33
|
33
|
33
|
32
|
31
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
| Humidity |
66%
|
66%
|
66%
|
65%
|
65%
|
66%
|
65%
|
65%
|
65%
|
66%
|
65%
|
65%
|
65%
|
65%
|
63%
|
62%
|
61%
|
61%
|
61%
|
64%
|
67%
|
68%
|
68%
|
68%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
6°
|
6°
|
6°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
| Feels like temperature (°C) |
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
0°
|
0°
|
1°
|
1°
|
2°
|
2°
|
2°
|
2°
|
1°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
| Wind direction and speed (mph) |
NNE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
20
|
NNE
21
|
NNE
21
|
NNE
20
|
NNE
20
|
NNE
20
|
NNE
20
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
20
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
19
|
NNE
18
|
NNE
18
|
| Wind gust (mph) |
31
|
31
|
32
|
31
|
32
|
33
|
34
|
34
|
34
|
34
|
33
|
33
|
33
|
33
|
33
|
33
|
33
|
32
|
32
|
31
|
31
|
30
|
30
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
70%
|
71%
|
69%
|
70%
|
69%
|
69%
|
67%
|
66%
|
65%
|
65%
|
65%
|
64%
|
63%
|
60%
|
59%
|
58%
|
57%
|
57%
|
57%
|
57%
|
58%
|
58%
|
60%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (20 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
3°
|
3°
|
4°
|
6°
|
7°
|
7°
|
5°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
0°
|
3°
|
4°
|
4°
|
1°
|
| Wind direction and speed (mph) |
NNE
18
|
NNE
16
|
NNE
16
|
NNE
13
|
NNE
10
|
N
10
|
N
10
|
NE
10
|
| Wind gust (mph) |
29
|
27
|
25
|
22
|
21
|
20
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
61%
|
59%
|
58%
|
56%
|
56%
|
55%
|
57%
|
| UV | - | - | - | 1 | 2 | 2 | 1 | - |
Sunday (21 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
30%
|
40%
|
40%
|
30%
|
50%
|
| Temperature (°C) |
4°
|
5°
|
6°
|
7°
|
9°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
3°
|
6°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
ESE
10
|
SE
12
|
SE
15
|
SE
17
|
SSE
20
|
SSE
22
|
SSE
22
|
SSE
21
|
| Wind gust (mph) |
19
|
23
|
27
|
32
|
35
|
36
|
35
|
34
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
VG
|
G
|
VG
|
G
|
| Humidity |
59%
|
66%
|
71%
|
77%
|
78%
|
79%
|
83%
|
88%
|
| UV | - | - | - | 1 | 1 | 1 | 1 | - |
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Forecast
Forecast for 00:00 (UTC), Tue
Updated 19:27 (UTC+1) on Mon 15 Sep 2025
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