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.

Thursday
30th Apr
13

5

11

3
Friday
1st May
17

5

15

4
Saturday
2nd May
17

8

14

4
Sunday
3rd May
11

3

11

2
Monday
4th May
12

3

1

3

5-day weather forecast updated at 04:00 on Thursday 30th 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 30th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from NW

Mariehamn weather for Friday 1st May 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

17
°C maximum temperature
5
°C minimum temperature
clear skies
15
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
17
kph wind from S

Mariehamn weather for Saturday 2nd May 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

17
°C maximum temperature
8
°C minimum temperature
scattered clouds
14
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
19
kph wind from SW

Mariehamn weather for Sunday 3rd May 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

11
°C maximum temperature
3
°C minimum temperature
broken clouds
11
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Mariehamn weather for Monday 4th May 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 15 kph from the south.