Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 15°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Friday
17th Apr
15

3

5

2
Saturday
18th Apr
13

1

2

3
Sunday
19th Apr
9

2

10

2
Monday
20th Apr
11

0

15

3
Tuesday
21st Apr
12

1

15

3

5-day weather forecast updated at 04:06 on Friday 17th April 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 Friday 17th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

15
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
10
kph wind from N

Mariehamn weather for Saturday 18th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

13
°C maximum temperature
1
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
7
kph wind from NW

Mariehamn weather for Sunday 19th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

9
°C maximum temperature
2
°C minimum temperature
broken clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
15
kph wind from E

Mariehamn weather for Monday 20th April 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

11
°C maximum temperature
0
°C minimum temperature
clear skies
15
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Mariehamn weather for Tuesday 21st April 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.