Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 13°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Wednesday
15th Apr
13

2

10

2
Thursday
16th Apr
13

1

5

2
Friday
17th Apr
11

4

0

2
Saturday
18th Apr
11

2

4

2
Sunday
19th Apr
8

2

12

2

5-day weather forecast updated at 04:00 on Wednesday 15th April 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 Wednesday 15th April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

13
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
12
kph wind from E

Mariehamn weather for Thursday 16th April 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 11 kph from the north.

13
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
2
UV index (Low)
34
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

Mariehamn weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a light breeze of 8 kph from the north.

11
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
8
kph wind from N

Mariehamn weather for Saturday 18th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

11
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
9
kph wind from N

Mariehamn weather for Sunday 19th April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 8°C, maximum UV of 2 (Low) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.