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.

Tuesday
25th Aug
19

11

6

2
Wednesday
26th Aug
20

10

8

3
Thursday
27th Aug
20

10

9

2
Friday
28th Aug
19

12

7

3
Saturday
29th Aug
18

14

0

3

5-day weather forecast updated at 04:00 on Sunday 23rd August 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 25th August 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
19
°C wind chill
14
kph wind from NW

Mariehamn weather for Wednesday 26th August 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

20
°C maximum temperature
10
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from W

Mariehamn weather for Thursday 27th August 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 20°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

20
°C maximum temperature
10
°C minimum temperature
broken clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from E

Mariehamn weather for Friday 28th August 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

19
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SE

Mariehamn weather for Saturday 29th August 2026

Expect isolated thunderstorms in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 23 kph from the north-east.