Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 20°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Tuesday
28th Jul
20

13

7

4
Wednesday
29th Jul
20

13

8

4
Thursday
30th Jul
23

15

14

4
Friday
31st Jul
22

16

10

4
Saturday
1st Aug
21

14

7

4

5-day weather forecast updated at 04:00 on Sunday 26th July 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 28th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
18
kph wind from NW

Mariehamn weather for Wednesday 29th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from SW

Mariehamn weather for Thursday 30th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

23
°C maximum temperature
15
°C minimum temperature
scattered clouds
14
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
14
kph wind from S

Mariehamn weather for Friday 31st July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

22
°C maximum temperature
16
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
20
kph wind from S

Mariehamn weather for Saturday 1st August 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.