Mariehamn (Finland) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 14 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius;
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
Clear changing to partly cloudy by early evening.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Mariehamn
Today (1 October 2026)
| Time |
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%
|
| Temperature |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed |
SSE
14
|
SSE
14
|
SSE
14
|
SSE
13
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
12
|
SSE
13
|
SSE
14
|
S
14
|
S
14
|
S
14
|
S
14
|
S
14
|
S
13
|
S
13
|
S
12
|
S
12
|
S
12
|
S
12
|
| Wind gust (mph) |
21
|
21
|
20
|
19
|
19
|
18
|
18
|
18
|
19
|
21
|
23
|
23
|
24
|
24
|
24
|
23
|
22
|
21
|
20
|
19
|
19
|
18
|
17
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
95%
|
96%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
94%
|
93%
|
92%
|
91%
|
90%
|
90%
|
91%
|
91%
|
92%
|
92%
|
92%
|
92%
|
93%
|
93%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (2 October 2026)
| 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%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
S
11
|
S
11
|
SSW
11
|
SSW
11
|
SSW
10
|
SW
10
|
SW
11
|
WSW
11
|
WSW
11
|
WSW
12
|
WSW
13
|
W
14
|
W
14
|
W
13
|
WSW
13
|
WSW
12
|
WSW
12
|
WSW
11
|
SW
11
|
SW
12
|
SW
12
|
SW
13
|
SW
13
|
SW
13
|
| Wind gust (mph) |
17
|
16
|
16
|
16
|
15
|
15
|
16
|
16
|
17
|
20
|
21
|
21
|
21
|
20
|
20
|
19
|
19
|
18
|
17
|
18
|
18
|
19
|
19
|
19
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
93%
|
93%
|
94%
|
95%
|
95%
|
95%
|
96%
|
95%
|
95%
|
94%
|
92%
|
88%
|
86%
|
83%
|
81%
|
78%
|
81%
|
84%
|
85%
|
85%
|
85%
|
85%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Sunday (3 October 2026)
| 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%
|
10%
|
10%
|
<5%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
9°
|
9°
|
| Wind direction and speed (mph) |
SW
13
|
SW
14
|
SW
14
|
SW
14
|
SW
14
|
SW
15
|
SW
14
|
SW
15
|
WSW
15
|
WSW
15
|
WSW
16
|
WSW
16
|
WSW
15
|
WSW
15
|
W
14
|
W
13
|
W
13
|
W
12
|
W
11
|
WSW
11
|
WSW
12
|
WSW
14
|
WSW
15
|
WSW
16
|
| Wind gust (mph) |
19
|
20
|
20
|
20
|
21
|
21
|
21
|
22
|
22
|
23
|
24
|
24
|
24
|
24
|
23
|
21
|
20
|
17
|
16
|
17
|
20
|
21
|
22
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
85%
|
85%
|
85%
|
86%
|
87%
|
88%
|
89%
|
90%
|
90%
|
87%
|
87%
|
86%
|
85%
|
83%
|
80%
|
78%
|
78%
|
80%
|
81%
|
81%
|
79%
|
78%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Monday (4 October 2026)
| 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%
|
10%
|
20%
|
40%
|
30%
|
40%
|
40%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
WSW
17
|
WSW
17
|
WSW
18
|
WSW
18
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
17
|
WSW
17
|
WSW
15
|
SW
15
|
SW
15
|
WSW
15
|
WSW
16
|
WSW
17
|
WSW
17
|
WSW
17
|
| Wind gust (mph) |
25
|
26
|
26
|
27
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
28
|
27
|
25
|
23
|
23
|
22
|
23
|
24
|
25
|
25
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
80%
|
80%
|
82%
|
84%
|
87%
|
89%
|
89%
|
90%
|
89%
|
89%
|
89%
|
89%
|
87%
|
84%
|
84%
|
82%
|
81%
|
83%
|
84%
|
84%
|
84%
|
84%
|
84%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Tuesday (5 October 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
14°
|
14°
|
12°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
10°
|
11°
|
11°
|
9°
|
| Wind direction and speed (mph) |
WSW
18
|
W
18
|
W
19
|
W
19
|
W
19
|
W
19
|
W
21
|
W
18
|
W
15
|
W
16
|
| Wind gust (mph) |
27
|
28
|
28
|
29
|
30
|
32
|
32
|
28
|
23
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
83%
|
83%
|
83%
|
83%
|
80%
|
71%
|
62%
|
65%
|
70%
|
| UV | - | - | - | - | - | 1 | 2 | 1 | 1 | - |
Wednesday (6 October 2026)
| 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%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
12°
|
12°
|
11°
|
10°
|
| Feels like temperature (°C) |
8°
|
8°
|
7°
|
7°
|
9°
|
10°
|
9°
|
7°
|
| Wind direction and speed (mph) |
W
16
|
W
16
|
W
16
|
W
16
|
W
16
|
W
15
|
W
13
|
W
13
|
| Wind gust (mph) |
23
|
23
|
25
|
26
|
25
|
24
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
76%
|
78%
|
79%
|
73%
|
66%
|
66%
|
73%
|
| UV | - | - | - | 1 | 2 | 1 | 1 | - |
Thursday (7 October 2026)
| 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%
|
20%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
9°
|
11°
|
11°
|
10°
|
9°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
6°
|
8°
|
8°
|
7°
|
6°
|
| Wind direction and speed (mph) |
W
12
|
W
11
|
WNW
10
|
NNW
11
|
NNW
12
|
N
14
|
N
13
|
NNW
13
|
| Wind gust (mph) |
18
|
16
|
17
|
21
|
24
|
25
|
23
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
78%
|
78%
|
79%
|
73%
|
68%
|
72%
|
76%
|
| UV | - | - | - | 1 | 1 | 1 | 1 | - |
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Forecast for 2am (UTC+3) Friday
Updated 13:51 (UTC+1) on Thu 1 Oct 2026
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