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.

Thursday
23rd Apr
9

3

9

3
Friday
24th Apr
10

3

3

3
Saturday
25th Apr
9

2

6

2
Sunday
26th Apr
7

2

12

3
Monday
27th Apr
8

3

13

3

5-day weather forecast updated at 04:00 on Wednesday 22nd 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 Thursday 23rd April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

9
°C maximum temperature
3
°C minimum temperature
broken clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
22
kph wind from NW

Mariehamn weather for Friday 24th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

10
°C maximum temperature
3
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from NW

Mariehamn weather for Saturday 25th April 2026

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a fresh breeze of 31 kph from the north.

9
°C maximum temperature
2
°C minimum temperature
sunshine and showers
6
hours of sunshine
2
UV index (Low)
50
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
31
kph wind from N

Mariehamn weather for Sunday 26th April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north.

7
°C maximum temperature
2
°C minimum temperature
scattered clouds
12
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
36
kph wind from N

Mariehamn weather for Monday 27th April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.