Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 9°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Sunday
19th Apr
9

2

15

2
Monday
20th Apr
11

0

15

3
Tuesday
21st Apr
12

1

12

3
Wednesday
22nd Apr
10

4

6

2
Thursday
23rd Apr
10

3

7

3

5-day weather forecast updated at 04:00 on Saturday 18th 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 Sunday 19th April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 2 (Low) and 15 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
scattered clouds
15
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 gentle breeze of 14 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
14
kph wind from N

Mariehamn weather for Tuesday 21st April 2026

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

12
°C maximum temperature
1
°C minimum temperature
scattered clouds
12
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Mariehamn weather for Wednesday 22nd April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

10
°C maximum temperature
4
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from N

Mariehamn weather for Thursday 23rd April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.