Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 50°F. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Sunday
18th Oct
50

39

5

1
Monday
19th Oct
48

39

4

1
Tuesday
20th Oct
48

41

6

1
Wednesday
21st Oct
50

45

0

0
Thursday
22nd Oct
52

50

0

0

5-day weather forecast updated at 04:00 on Saturday 17th October 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 Sunday 18th October 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 50°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north.

50
°F maximum temperature
39
°F minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
46
°F wind chill
8
mph wind from N

Mariehamn weather for Monday 19th October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 48°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

48
°F maximum temperature
39
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
46
°F wind chill
5
mph wind from S

Mariehamn weather for Tuesday 20th October 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

48
°F maximum temperature
41
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
46
°F wind chill
7
mph wind from SE

Mariehamn weather for Wednesday 21st October 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 50°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-east.

50
°F maximum temperature
45
°F minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
0
no heat & humidity
10
mph wind from SE

Mariehamn weather for Thursday 22nd October 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 52°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 11 mph from the south-east.