Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 45°F. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Monday
8th Dec
45

41

0

0
Tuesday
9th Dec
45

39

0

0
Wednesday
10th Dec
45

39

1

0
Thursday
11th Dec
45

39

0

0
Friday
12th Dec
41

34

2

0

5-day weather forecast updated at 04:01 on Sunday 7th December 2025 GMT

More about Mariehamn

Mariehamn by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Finland

TUI: up to 7% off holidays booked online

Sale

Book online with TUI & save up to 7% on holidays
FREE child places available for select holidays
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 8th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 11 mph from the south.

45
°F maximum temperature
41
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
90
% chance of some rain
<5
mm of rainfall expected
39
°F wind chill
11
mph wind from S

Mariehamn weather for Tuesday 9th December 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 9 mph from the south-west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
23
% chance of some rain
<2
mm of rainfall expected
39
°F wind chill
9
mph wind from SW

Mariehamn weather for Wednesday 10th December 2025

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 45°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 14 mph from the west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
82
% chance of some rain
<10
mm of rainfall expected
39
°F wind chill
14
mph wind from W

Mariehamn weather for Thursday 11th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the west.

45
°F maximum temperature
39
°F minimum temperature
broken clouds
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
39
°F wind chill
12
mph wind from W

Mariehamn weather for Friday 12th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 41°F and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-west.