Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 16°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Wednesday
8th Jul
16

10

8

4
Thursday
9th Jul
18

12

11

5
Friday
10th Jul
20

15

8

4
Saturday
11th Jul
23

14

11

5
Sunday
12th Jul
22

16

10

4

5-day weather forecast updated at 04:00 on Wednesday 8th 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 Wednesday 8th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

16
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from N

Mariehamn weather for Thursday 9th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

18
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from N

Mariehamn weather for Friday 10th 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 17 kph from the north.

20
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Mariehamn weather for Saturday 11th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

23
°C maximum temperature
14
°C minimum temperature
broken clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
16
kph wind from N

Mariehamn weather for Sunday 12th July 2026

Expect isolated thunderstorms in Mariehamn, Finland with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 22 kph from the north.