Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 18°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Saturday
4th Jul
18

14

8

4
Sunday
5th Jul
21

14

12

5
Monday
6th Jul
15

12

6

4
Tuesday
7th Jul
17

12

10

5
Wednesday
8th Jul
18

12

12

4

5-day weather forecast updated at 04:00 on Saturday 4th July 2026 GMT

More about Mariehamn

Mariehamn by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Finland

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Saturday 4th July 2026

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 26 kph from the north.

18
°C maximum temperature
14
°C minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
50
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
26
kph wind from N

Mariehamn weather for Sunday 5th July 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

21
°C maximum temperature
14
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
20
kph wind from NW

Mariehamn weather for Monday 6th July 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-west.

15
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from NW

Mariehamn weather for Tuesday 7th July 2026

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 18 kph from the west.

17
°C maximum temperature
12
°C minimum temperature
sunshine and showers
10
hours of sunshine
5
UV index (Moderate)
40
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Mariehamn weather for Wednesday 8th July 2026

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 25 kph from the north.