Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 8°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Monday
15th Dec
8

7

0

0
Tuesday
16th Dec
7

5

1

0
Wednesday
17th Dec
7

4

0

0
Thursday
18th Dec
6

3

0

0
Friday
19th Dec
7

5

1

0

5-day weather forecast updated at 04:01 on Monday 15th 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 Monday 15th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 20 kph from the south-west.

8
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
27
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
20
kph wind from SW

Mariehamn weather for Tuesday 16th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

7
°C maximum temperature
5
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
4
°C wind chill
17
kph wind from SW

Mariehamn weather for Wednesday 17th 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 71% chance of some rain and a moderate breeze of 20 kph from the south-west.

7
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
71
% chance of some rain
<5
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 20% chance of some rain and a moderate breeze of 22 kph from the south-west.

6
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
20
% chance of some rain
<2
mm of rainfall expected
2
°C wind chill
22
kph wind from SW

Mariehamn weather for Friday 19th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.