Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 45°F. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Sunday
14th Dec
45

37

0

0
Monday
15th Dec
46

43

0

0
Tuesday
16th Dec
45

39

0

0
Wednesday
17th Dec
45

41

0

0
Thursday
18th Dec
45

39

2

0

5-day weather forecast updated at 04:01 on Friday 12th December 2025 GMT

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The 5-day weather forecast for Finland (Mariehamn) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mariehamn weather forecast by day

Below are the detailed weather forecasts for Mariehamn for the next 5 days.

Mariehamn weather for Sunday 14th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 11 mph from the south-west.

45
°F maximum temperature
37
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
78
% chance of some rain
<5
mm of rainfall expected
39
°F wind chill
11
mph wind from SW

Mariehamn weather for Monday 15th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 46°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 11 mph from the south-west.

46
°F maximum temperature
43
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
29
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
11
mph wind from SW

Mariehamn weather for Tuesday 16th December 2025

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.

45
°F maximum temperature
39
°F minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
39
°F wind chill
10
mph wind from SW

Mariehamn weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 13 mph from the south-west.

45
°F maximum temperature
41
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
38
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
13
mph wind from SW

Mariehamn weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 45°F and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 15 mph from the south-west.