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.

Friday
22nd May
16

8

11

UV4
Saturday
23rd May
19

10

11

UV5
Sunday
24th May
18

12

10

UV5
Monday
25th May
15

10

10

UV5
Tuesday
26th May
14

8

13

UV4

5-day weather forecast updated at 04:00 on Friday 22nd May 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 22nd May 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
11
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from W

Mariehamn weather for Saturday 23rd May 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

19
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Mariehamn weather for Sunday 24th May 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

18
°C maximum temperature
12
°C minimum temperature
broken clouds
10
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Mariehamn weather for Monday 25th May 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

15
°C maximum temperature
10
°C minimum temperature
broken clouds
10
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from NW

Mariehamn weather for Tuesday 26th May 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.