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
17th Jun
17

11

16

5
Thursday
18th Jun
18

12

4

4
Friday
19th Jun
19

13

6

5
Saturday
20th Jun
21

14

10

5
Sunday
21st Jun
20

14

12

5

5-day weather forecast updated at 04:00 on Tuesday 16th 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 17th June 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

17
°C maximum temperature
11
°C minimum temperature
scattered clouds
16
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
25
kph wind from NW

Mariehamn weather for Thursday 18th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

18
°C maximum temperature
12
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from SW

Mariehamn weather for Friday 19th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

19
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from W

Mariehamn weather for Saturday 20th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
21
kph wind from S

Mariehamn weather for Sunday 21st June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.