Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 5°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Thursday
25th Dec
5

1

1

0
Friday
26th Dec
6

3

3

0
Saturday
27th Dec
5

1

4

0
Sunday
28th Dec
4

1

1

0
Monday
29th Dec
4

0

0

0

5-day weather forecast updated at 04:01 on Thursday 25th 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 sale: 10% off 2026/2027 holidays

Discount Code

Save 10% on 2026/2027 holidays in biggest ever TUI sale
Max discount £500. T&Cs apply. £500 min spend
Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code

******ALE

Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · 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 Thursday 25th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 5°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

5
°C maximum temperature
1
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
1
°C wind chill
25
kph wind from W

Mariehamn weather for Friday 26th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 6°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

6
°C maximum temperature
3
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
20
kph wind from NW

Mariehamn weather for Saturday 27th December 2025

Expect broken 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 strong breeze of 50 kph from the north-west.

5
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-2
°C wind chill
50
kph wind from NW

Mariehamn weather for Sunday 28th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 4°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 44 kph from the north.

4
°C maximum temperature
1
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
-2
°C wind chill
44
kph wind from N

Mariehamn weather for Monday 29th December 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 4°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the north-west.