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
30th Jun
20

15

14

6
Wednesday
1st Jul
21

14

2

5
Thursday
2nd Jul
20

14

4

5
Friday
3rd Jul
19

15

1

4
Saturday
4th Jul
18

13

10

4

5-day weather forecast updated at 04:00 on Tuesday 30th June 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 30th June 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

20
°C maximum temperature
15
°C minimum temperature
scattered clouds
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
18
kph wind from N

Mariehamn weather for Wednesday 1st July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
9
kph wind from E

Mariehamn weather for Thursday 2nd July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Mariehamn weather for Friday 3rd July 2026

Expect isolated thunderstorms in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 20 kph from the north-west.

19
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
61
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
20
kph wind from NW

Mariehamn weather for Saturday 4th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.