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.

Tuesday
29th Sep
16

9

3

1
Wednesday
30th Sep
14

8

4

1
Thursday
1st Oct
15

10

2

1
Friday
2nd Oct
16

11

1

2
Saturday
3rd Oct
15

10

7

2

5-day weather forecast updated at 04:00 on Monday 28th September 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 Tuesday 29th September 2026

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a moderate breeze of 23 kph from the south.

16
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
8
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
23
kph wind from S

Mariehamn weather for Wednesday 30th September 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

14
°C maximum temperature
8
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from E

Mariehamn weather for Thursday 1st October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 15°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

15
°C maximum temperature
10
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
16
kph wind from SE

Mariehamn weather for Friday 2nd October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

16
°C maximum temperature
11
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
19
kph wind from S

Mariehamn weather for Saturday 3rd October 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.