Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 17°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Wednesday
22nd Jul
17

11

0

2
Thursday
23rd Jul
18

12

4

4
Friday
24th Jul
20

11

8

5
Saturday
25th Jul
20

15

1

3
Sunday
26th Jul
20

15

1

2

5-day weather forecast updated at 04:00 on Wednesday 22nd 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 22nd July 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

17
°C maximum temperature
11
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

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 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 20 kph from the north.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
40
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
20
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 24 kph from the south.

20
°C maximum temperature
11
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
24
kph wind from S

Mariehamn weather for Saturday 25th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
24
kph wind from SW

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 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 23 kph from the south.