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.

Friday
16th Oct
12

11

0

0
Saturday
17th Oct
11

7

3

1
Sunday
18th Oct
10

6

5

1
Monday
19th Oct
10

5

3

1
Tuesday
20th Oct
10

5

3

1

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

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 12°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

12
°C maximum temperature
11
°C minimum temperature
overcast skies
0
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
12
°C wind chill
25
kph wind from SW

Mariehamn weather for Saturday 17th October 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 26 kph from the north.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
62
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
26
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 15 kph from the north.

10
°C maximum temperature
6
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
15
kph wind from N

Mariehamn weather for Monday 19th October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.