Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 19°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Friday
19th Jun
19

10

8

5
Saturday
20th Jun
21

14

14

6
Sunday
21st Jun
19

14

13

6
Monday
22nd Jun
18

13

9

5
Tuesday
23rd Jun
17

12

2

4

5-day weather forecast updated at 04:00 on Friday 19th 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 Friday 19th June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

19
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
15
kph wind from S

Mariehamn weather for Saturday 20th June 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south.

21
°C maximum temperature
14
°C minimum temperature
scattered clouds
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
28
kph wind from S

Mariehamn weather for Sunday 21st June 2026

Expect isolated thunderstorms in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 2-5 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 21 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
13
hours of sunshine
6
UV index (High)
4
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Mariehamn weather for Monday 22nd June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

18
°C maximum temperature
13
°C minimum temperature
broken clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NE

Mariehamn weather for Tuesday 23rd June 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.