Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 11°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Monday
20th Apr
11

1

13

3
Tuesday
21st Apr
12

1

12

3
Wednesday
22nd Apr
11

4

4

2
Thursday
23rd Apr
9

3

11

3
Friday
24th Apr
11

2

5

2

5-day weather forecast updated at 04:00 on Sunday 19th 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 Monday 20th April 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

11
°C maximum temperature
1
°C minimum temperature
clear skies
13
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Mariehamn weather for Tuesday 21st April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

12
°C maximum temperature
1
°C minimum temperature
scattered clouds
12
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NW

Mariehamn weather for Wednesday 22nd 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 moderate breeze of 27 kph from the north-west.

11
°C maximum temperature
4
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from NW

Mariehamn weather for Thursday 23rd April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

9
°C maximum temperature
3
°C minimum temperature
scattered clouds
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
28
kph wind from N

Mariehamn weather for Friday 24th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.