Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 0°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Wednesday
14th Jan
0

-2

0

0
Thursday
15th Jan
1

-1

0

0
Friday
16th Jan
3

0

0

0
Saturday
17th Jan
3

0

0

0
Sunday
18th Jan
1

0

0

0

5-day weather forecast updated at 04:01 on Wednesday 14th 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 Wednesday 14th January 2026

Expect overcast with light snow in Mariehamn, Finland with a maximum temperature of 0°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 98% chance of some snow and a fresh breeze of 33 kph from the south-east.

0
°C maximum temperature
-2
°C minimum temperature
overcast with light snow
0
hours of sunshine
0
UV index (None)
98
% chance of some snow
<10
cm of snow expected
-7
°C wind chill
33
kph wind from SE

Mariehamn weather for Thursday 15th January 2026

Expect mostly cloudy with light snow in Mariehamn, Finland with a maximum temperature of 1°C and no hours of bright sunshine. There are 2-5 cm of snow expected with 15% chance of some snow and a moderate breeze of 28 kph from the south.

1
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
0
UV index (None)
15
% chance of some snow
<5
cm of snow expected
-4
°C wind chill
28
kph wind from S

Mariehamn weather for Friday 16th January 2026

Expect overcast skies 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 moderate breeze of 24 kph from the south.

3
°C maximum temperature
0
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-2
°C wind chill
24
kph wind from S

Mariehamn weather for Saturday 17th January 2026

Expect overcast skies 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 moderate breeze of 23 kph from the south.

3
°C maximum temperature
0
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-2
°C wind chill
23
kph wind from S

Mariehamn weather for Sunday 18th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 1°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.