Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 1°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Saturday
21st Feb
1

-3

0

0
Sunday
22nd Feb
-1

-8

10

1
Monday
23rd Feb
0

-6

0

1
Tuesday
24th Feb
-2

-8

0

1
Wednesday
25th Feb
-3

-11

0

0

5-day weather forecast updated at 04:01 on Saturday 21st February 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 21st February 2026

Expect cloudy with some snow in Mariehamn, Finland with a maximum temperature of 1°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 100% chance of some snow and a moderate breeze of 26 kph from the south-west.

1
°C maximum temperature
-3
°C minimum temperature
cloudy with some snow
0
hours of sunshine
0
UV index (None)
100
% chance of some snow
<10
cm of snow expected
-4
°C wind chill
26
kph wind from SW

Mariehamn weather for Sunday 22nd February 2026

Expect clear skies with flurries of snow in Mariehamn, Finland with a maximum temperature of -1°C, maximum UV of 1 (Low) and 10 hours of bright sunshine. There are 0-2 cm of snow expected with 7% chance of some snow and a moderate breeze of 20 kph from the north-west.

-1
°C maximum temperature
-8
°C minimum temperature
clear skies with flurries of snow
10
hours of sunshine
1
UV index (Low)
7
% chance of some snow
<2
cm of snow expected
-7
°C wind chill
20
kph wind from NW

Mariehamn weather for Monday 23rd February 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 0°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the south-east.

0
°C maximum temperature
-6
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-4
°C wind chill
10
kph wind from SE

Mariehamn weather for Tuesday 24th February 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of -2°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the north.

-2
°C maximum temperature
-8
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-5
°C wind chill
10
kph wind from N

Mariehamn weather for Wednesday 25th February 2026

Expect overcast 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 37% chance of some snow and a gentle breeze of 19 kph from the south-east.