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.

Monday
13th Jul
20

15

18

5
Tuesday
14th Jul
22

14

13

5
Wednesday
15th Jul
22

15

16

6
Thursday
16th Jul
24

15

17

6
Friday
17th Jul
23

16

14

5

5-day weather forecast updated at 04:00 on Sunday 12th 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 Monday 13th July 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 18 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

20
°C maximum temperature
15
°C minimum temperature
clear skies
18
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from N

Mariehamn weather for Tuesday 14th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

22
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Mariehamn weather for Wednesday 15th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 22°C, maximum UV of 6 (High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
scattered clouds
16
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Mariehamn weather for Thursday 16th July 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 24°C, maximum UV of 6 (High) and 17 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

24
°C maximum temperature
15
°C minimum temperature
clear skies
17
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
10
kph wind from S

Mariehamn weather for Friday 17th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.