Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 23°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Friday
17th Jul
23

15

15

6
Saturday
18th Jul
22

15

4

3
Sunday
19th Jul
17

13

0

4
Monday
20th Jul
18

13

2

5
Tuesday
21st Jul
17

13

1

5

5-day weather forecast updated at 04:00 on Friday 17th 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 Friday 17th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 23°C, maximum UV of 6 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

23
°C maximum temperature
15
°C minimum temperature
scattered clouds
15
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Mariehamn weather for Saturday 18th July 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 18 kph from the south.

22
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
3
UV index (Moderate)
84
% chance of some rain
<30
mm of rainfall expected
22
°C wind chill
18
kph wind from S

Mariehamn weather for Sunday 19th July 2026

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 33 kph from the north.

17
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
4
UV index (Moderate)
47
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
33
kph wind from N

Mariehamn weather for Monday 20th July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 25 kph from the north.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
26
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Mariehamn weather for Tuesday 21st July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 27 kph from the north.