Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 2°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Friday
16th Jan
2

0

0

0
Saturday
17th Jan
3

1

0

0
Sunday
18th Jan
2

0

0

0
Monday
19th Jan
1

-1

0

0
Tuesday
20th Jan
1

-1

0

0

5-day weather forecast updated at 04:01 on Thursday 15th January 2026 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 Friday 16th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 2°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south.

2
°C maximum temperature
0
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-3
°C wind chill
27
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 24 kph from the south-west.

3
°C maximum temperature
1
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-1
°C wind chill
24
kph wind from SW

Mariehamn weather for Sunday 18th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 2°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

2
°C maximum temperature
0
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-1
°C wind chill
10
kph wind from S

Mariehamn weather for Monday 19th 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 light breeze of 11 kph from the south.

1
°C maximum temperature
-1
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
-2
°C wind chill
11
kph wind from S

Mariehamn weather for Tuesday 20th 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 light breeze of 8 kph from the north.