Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 7°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Friday
19th Dec
7

6

0

0
Saturday
20th Dec
7

5

1

0
Sunday
21st Dec
5

3

4

0
Monday
22nd Dec
3

1

0

0
Tuesday
23rd Dec
2

0

3

0

5-day weather forecast updated at 04:01 on Thursday 18th 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 rain in Mariehamn, Finland with a maximum temperature of 7°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 28 kph from the south-west.

7
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
74
% chance of some rain
<10
mm of rainfall expected
3
°C wind chill
28
kph wind from SW

Mariehamn weather for Saturday 20th 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.

7
°C maximum temperature
5
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
3
°C wind chill
24
kph wind from SW

Mariehamn weather for Sunday 21st December 2025

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 5°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

5
°C maximum temperature
3
°C minimum temperature
scattered clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
15
kph wind from NW

Mariehamn weather for Monday 22nd December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 3°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

3
°C maximum temperature
1
°C minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
7
kph wind from N

Mariehamn weather for Tuesday 23rd December 2025

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 2°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.