Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 16°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Wednesday
10th Jun
16

13

14

4
Thursday
11th Jun
17

12

2

3
Friday
12th Jun
18

11

8

4
Saturday
13th Jun
17

12

6

1
Sunday
14th Jun
17

11

1

5

5-day weather forecast updated at 04:00 on Wednesday 10th 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 Wednesday 10th June 2026

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 2-5 mm of rainfall expected with 6% chance of some rain and a fresh breeze of 31 kph from the south-west.

16
°C maximum temperature
13
°C minimum temperature
sunshine and showers
14
hours of sunshine
4
UV index (Moderate)
6
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
31
kph wind from SW

Mariehamn weather for Thursday 11th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

17
°C maximum temperature
12
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
15
kph wind from SE

Mariehamn weather for Friday 12th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Mariehamn weather for Saturday 13th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

17
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

Mariehamn weather for Sunday 14th June 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.