Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 12°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Saturday
17th Oct
12

6

2

0
Sunday
18th Oct
10

4

5

1
Monday
19th Oct
9

4

4

1
Tuesday
20th Oct
9

5

6

1
Wednesday
21st Oct
10

7

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 Saturday 17th October 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 12°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 25 kph from the north.

12
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
17
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Mariehamn weather for Sunday 18th October 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

10
°C maximum temperature
4
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
13
kph wind from N

Mariehamn weather for Monday 19th October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

9
°C maximum temperature
4
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
8
kph wind from S

Mariehamn weather for Tuesday 20th October 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

9
°C maximum temperature
5
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
12
kph wind from SE

Mariehamn weather for Wednesday 21st October 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 10°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.