Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 6°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Sunday
14th Dec
6

4

0

0
Monday
15th Dec
7

6

0

0
Tuesday
16th Dec
6

5

0

0
Wednesday
17th Dec
6

3

0

0
Thursday
18th Dec
6

3

0

0

5-day weather forecast updated at 04:01 on Sunday 14th 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 rain in Mariehamn, Finland with a maximum temperature of 6°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 22 kph from the south-west.

6
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<10
mm of rainfall expected
3
°C wind chill
22
kph wind from SW

Mariehamn weather for Monday 15th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 7°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 21 kph from the south-west.

7
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
46
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
21
kph wind from SW

Mariehamn weather for Tuesday 16th December 2025

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 6°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

6
°C maximum temperature
5
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
3
°C wind chill
16
kph wind from SW

Mariehamn weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 6°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 20 kph from the south-west.

6
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
55
% chance of some rain
<10
mm of rainfall expected
3
°C wind chill
20
kph wind from SW

Mariehamn weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 6°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a moderate breeze of 24 kph from the south-west.