Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 9°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Tuesday
20th Oct
9

0

2

1
Wednesday
21st Oct
11

8

1

1
Thursday
22nd Oct
12

10

0

1
Friday
23rd Oct
12

9

0

0
Saturday
24th Oct
11

8

3

0

5-day weather forecast updated at 04:00 on Tuesday 20th 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 Tuesday 20th October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 2 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
0
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
12
kph wind from SE

Mariehamn weather for Wednesday 21st October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

11
°C maximum temperature
8
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SE

Mariehamn weather for Thursday 22nd October 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

12
°C maximum temperature
10
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
24
kph wind from SE

Mariehamn weather for Friday 23rd October 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 12°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 20 kph from the south-east.

12
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
61
% chance of some rain
<10
mm of rainfall expected
12
°C wind chill
20
kph wind from SE

Mariehamn weather for Saturday 24th October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.