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.

Tuesday
30th Dec
0

-2

2

0
Wednesday
31st Dec
-2

-4

5

0
Thursday
1st Jan
0

-3

0

0
Friday
2nd Jan
-1

-5

0

0
Saturday
3rd Jan
-3

-6

1

0

5-day weather forecast updated at 04:01 on Tuesday 30th 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 Tuesday 30th December 2025

Expect mostly cloudy with light snow in Mariehamn, Finland with a maximum temperature of 0°C and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 48% chance of some snow and a strong breeze of 39 kph from the north.

0
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
0
UV index (None)
48
% chance of some snow
<5
cm of snow expected
-7
°C wind chill
39
kph wind from N

Mariehamn weather for Wednesday 31st December 2025

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of -2°C and 5 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the north.

-2
°C maximum temperature
-4
°C minimum temperature
scattered clouds
5
hours of sunshine
0
UV index (None)
0
cm of snow expected
-6
°C wind chill
13
kph wind from N

Mariehamn weather for Thursday 1st 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 10-20 cm of snow expected with 85% chance of some snow and a fresh breeze of 37 kph from the south-east.

0
°C maximum temperature
-3
°C minimum temperature
overcast with light snow
0
hours of sunshine
0
UV index (None)
85
% chance of some snow
<20
cm of snow expected
-7
°C wind chill
37
kph wind from SE

Mariehamn weather for Friday 2nd January 2026

Expect overcast with light 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 85% chance of some snow and a fresh breeze of 34 kph from the north-east.

-1
°C maximum temperature
-5
°C minimum temperature
overcast with light snow
0
hours of sunshine
0
UV index (None)
85
% chance of some snow
<10
cm of snow expected
-8
°C wind chill
34
kph wind from NE

Mariehamn weather for Saturday 3rd January 2026

Expect mostly cloudy with light snow in Mariehamn, Finland with a maximum temperature of -3°C and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 47% chance of some snow and a moderate breeze of 28 kph from the north-east.