Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be -3°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Saturday
3rd Jan
-3

-6

0

0
Sunday
4th Jan
-6

-8

0

0
Monday
5th Jan
-5

-8

3

0
Tuesday
6th Jan
-3

-5

3

0
Wednesday
7th Jan
-1

-3

5

0

5-day weather forecast updated at 04:01 on Friday 2nd January 2026 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 Saturday 3rd January 2026

Expect mostly cloudy with light snow in Mariehamn, Finland with a maximum temperature of -3°C and no hours of bright sunshine. There are 0-2 cm of snow expected with 50% chance of some snow and a moderate breeze of 25 kph from the north-east.

-3
°C maximum temperature
-6
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
0
UV index (None)
50
% chance of some snow
<2
cm of snow expected
-10
°C wind chill
25
kph wind from NE

Mariehamn weather for Sunday 4th January 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of -6°C and no hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 19 kph from the north-east.

-6
°C maximum temperature
-8
°C minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
cm of snow expected
-12
°C wind chill
19
kph wind from NE

Mariehamn weather for Monday 5th January 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of -5°C and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the north-east.

-5
°C maximum temperature
-8
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
cm of snow expected
-11
°C wind chill
14
kph wind from NE

Mariehamn weather for Tuesday 6th January 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of -3°C and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the north.

-3
°C maximum temperature
-5
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
cm of snow expected
-7
°C wind chill
14
kph wind from N

Mariehamn weather for Wednesday 7th January 2026

Expect clear skies with flurries of snow in Mariehamn, Finland with a maximum temperature of -1°C and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 37% chance of some snow and a gentle breeze of 17 kph from the north-east.