Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 18°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Thursday
23rd Jul
18

11

7

4
Friday
24th Jul
20

10

8

5
Saturday
25th Jul
19

15

1

3
Sunday
26th Jul
20

15

1

3
Monday
27th Jul
21

15

6

4

5-day weather forecast updated at 04:00 on Thursday 23rd 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 Thursday 23rd July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 19 kph from the north.

18
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
7
hours of sunshine
4
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from N

Mariehamn weather for Friday 24th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.

20
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from S

Mariehamn weather for Saturday 25th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
25
kph wind from S

Mariehamn weather for Sunday 26th July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 26 kph from the south.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
48
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
26
kph wind from S

Mariehamn weather for Monday 27th July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 14 kph from the south.