Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 19°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Sunday
19th Jul
19

14

1

4
Monday
20th Jul
19

13

12

5
Tuesday
21st Jul
20

13

15

5
Wednesday
22nd Jul
20

13

2

4
Thursday
23rd Jul
18

13

5

4

5-day weather forecast updated at 04:00 on Sunday 19th 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 Sunday 19th July 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a fresh breeze of 30 kph from the north.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
11
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
30
kph wind from N

Mariehamn weather for Monday 20th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-east.

19
°C maximum temperature
13
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from NE

Mariehamn weather for Tuesday 21st July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 15 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
13
°C minimum temperature
scattered clouds
15
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from N

Mariehamn weather for Wednesday 22nd July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

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 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 21 kph from the north.