Mariehamn (Finland) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius;
-
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 1° Celsius; -
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 5° Celsius;
Overcast changing to light rain by late morning.
Sunrise:
Sunset:
- UV
No pollution data.
No pollen data.
7 day forecast for Mariehamn
Today (9 December 2025)
| Time |
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%
|
60%
|
80%
|
≥95%
|
80%
|
50%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
| Wind direction and speed |
WSW
6
|
SW
7
|
SW
8
|
SSW
9
|
SSW
10
|
S
12
|
S
13
|
S
14
|
S
15
|
S
17
|
S
18
|
S
19
|
SSW
18
|
SW
18
|
WSW
18
|
WSW
19
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
21
|
WSW
20
|
| Wind gust (mph) |
11
|
12
|
14
|
16
|
18
|
21
|
23
|
25
|
28
|
30
|
33
|
33
|
31
|
30
|
31
|
33
|
34
|
34
|
34
|
33
|
31
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
92%
|
91%
|
91%
|
89%
|
88%
|
87%
|
88%
|
92%
|
94%
|
95%
|
96%
|
96%
|
96%
|
94%
|
92%
|
91%
|
90%
|
88%
|
88%
|
88%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
Thursday (10 December 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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
3°
|
2°
|
2°
|
1°
|
1°
|
| Wind direction and speed (mph) |
WSW
20
|
WSW
18
|
WSW
17
|
WSW
17
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
15
|
WSW
15
|
WSW
14
|
WSW
14
|
WSW
13
|
WSW
13
|
WSW
12
|
WSW
11
|
WSW
11
|
WSW
10
|
WSW
10
|
W
9
|
WNW
10
|
WNW
11
|
NW
11
|
NW
12
|
| Wind gust (mph) |
31
|
29
|
27
|
26
|
26
|
26
|
25
|
25
|
23
|
23
|
22
|
22
|
21
|
20
|
19
|
17
|
16
|
15
|
15
|
16
|
16
|
18
|
19
|
19
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
89%
|
91%
|
91%
|
92%
|
92%
|
92%
|
93%
|
92%
|
93%
|
92%
|
93%
|
93%
|
93%
|
93%
|
94%
|
94%
|
95%
|
95%
|
96%
|
96%
|
96%
|
96%
|
95%
|
94%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
Friday (11 December 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
| Feels like temperature (°C) |
1°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
| Wind direction and speed (mph) |
NW
13
|
NNW
14
|
NNW
16
|
NNW
16
|
NNW
17
|
NNW
17
|
NNW
18
|
NNW
18
|
N
18
|
N
18
|
N
17
|
N
16
|
NNE
16
|
NNE
16
|
NNE
16
|
NE
15
|
NE
15
|
ENE
15
|
ENE
15
|
ENE
15
|
E
14
|
E
14
|
E
14
|
ESE
13
|
| Wind gust (mph) |
22
|
26
|
28
|
29
|
30
|
31
|
31
|
31
|
32
|
30
|
29
|
28
|
28
|
27
|
27
|
25
|
24
|
24
|
25
|
24
|
23
|
23
|
23
|
22
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
92%
|
91%
|
90%
|
88%
|
85%
|
84%
|
83%
|
81%
|
81%
|
79%
|
78%
|
75%
|
75%
|
74%
|
72%
|
71%
|
68%
|
66%
|
65%
|
63%
|
62%
|
61%
|
62%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
Saturday (12 December 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%
|
10%
|
10%
|
20%
|
20%
|
30%
|
20%
|
30%
|
30%
|
50%
|
60%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
0°
|
0°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
2°
|
2°
|
| Feels like temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
| Wind direction and speed (mph) |
ESE
13
|
ESE
12
|
ESE
13
|
ESE
13
|
SE
14
|
SE
14
|
SE
15
|
SE
16
|
SE
16
|
SE
17
|
SE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
17
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
18
|
SSE
17
|
| Wind gust (mph) |
21
|
21
|
22
|
23
|
22
|
25
|
27
|
28
|
30
|
30
|
31
|
32
|
32
|
32
|
31
|
29
|
30
|
30
|
30
|
31
|
31
|
30
|
30
|
29
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
63%
|
62%
|
64%
|
65%
|
66%
|
66%
|
70%
|
72%
|
74%
|
75%
|
77%
|
80%
|
80%
|
90%
|
92%
|
93%
|
94%
|
93%
|
94%
|
94%
|
94%
|
93%
|
93%
|
93%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
Sunday (13 December 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 |
30%
|
20%
|
20%
|
30%
|
20%
|
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
40%
|
40%
|
50%
|
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
40%
|
| Temperature (°C) |
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
3°
|
3°
|
3°
|
3°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
-4°
|
-4°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
| Wind direction and speed (mph) |
S
16
|
S
16
|
S
16
|
S
16
|
S
16
|
SSW
15
|
SSW
15
|
S
14
|
S
13
|
S
16
|
S
16
|
S
16
|
S
17
|
SSE
18
|
S
18
|
S
19
|
S
19
|
S
19
|
S
19
|
S
19
|
S
19
|
SSW
19
|
SSW
19
|
SSW
19
|
| Wind gust (mph) |
28
|
27
|
26
|
27
|
27
|
24
|
24
|
25
|
25
|
26
|
27
|
28
|
30
|
31
|
31
|
32
|
32
|
33
|
34
|
32
|
32
|
32
|
32
|
32
|
| Visibility (description) |
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
| Humidity |
93%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
91%
|
92%
|
92%
|
93%
|
94%
|
95%
|
95%
|
95%
|
94%
|
95%
|
95%
|
94%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - |
Monday (14 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
40%
|
40%
|
40%
|
20%
|
20%
|
30%
|
10%
|
30%
|
30%
|
| Temperature (°C) |
5°
|
6°
|
6°
|
6°
|
5°
|
6°
|
6°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
0°
|
| Wind direction and speed (mph) |
SSW
19
|
SSW
19
|
SW
19
|
SW
20
|
WSW
19
|
WSW
19
|
W
16
|
W
13
|
SW
17
|
SSW
15
|
| Wind gust (mph) |
33
|
34
|
36
|
34
|
33
|
31
|
29
|
28
|
30
|
30
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
94%
|
94%
|
93%
|
93%
|
92%
|
92%
|
90%
|
91%
|
91%
|
92%
|
| UV | - | - | - | - | - | 1 | 1 | - | - | - |
Tuesday (15 December 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
SW
17
|
SW
16
|
SW
16
|
SW
18
|
SW
18
|
WSW
17
|
WSW
17
|
WSW
17
|
| Wind gust (mph) |
27
|
26
|
31
|
32
|
30
|
31
|
31
|
27
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
92%
|
92%
|
93%
|
92%
|
91%
|
92%
|
92%
|
| UV | - | - | - | 1 | 1 | - | - | - |
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Forecast
Forecast for 3am (UTC+2) Wednesday
Updated 23:32 (UTC) on Tue 9 Dec 2025
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