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.

Friday
19th Dec
45

43

0

0
Saturday
20th Dec
45

41

0

0
Sunday
21st Dec
43

37

2

0
Monday
22nd Dec
39

34

0

0
Tuesday
23rd Dec
36

32

3

0

5-day weather forecast updated at 04:01 on Friday 19th 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 Friday 19th 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 71% chance of some rain and a fresh breeze of 18 mph from the south-west.

45
°F maximum temperature
43
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
71
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
18
mph wind from SW

Mariehamn weather for Saturday 20th December 2025

Expect broken clouds 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 moderate breeze of 14 mph from the south-west.

45
°F maximum temperature
41
°F minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
37
°F wind chill
14
mph wind from SW

Mariehamn weather for Sunday 21st December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 43°F and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-west.

43
°F maximum temperature
37
°F minimum temperature
broken clouds
2
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
36
°F wind chill
12
mph wind from NW

Mariehamn weather for Monday 22nd December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 39°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

39
°F maximum temperature
34
°F minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
36
°F wind chill
4
mph wind from N

Mariehamn weather for Tuesday 23rd December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 36°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the west.