Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 13°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

Tuesday
21st Apr
13

1

13

3
Wednesday
22nd Apr
11

4

1

2
Thursday
23rd Apr
9

2

10

3
Friday
24th Apr
10

3

3

3
Saturday
25th Apr
8

2

0

3

5-day weather forecast updated at 04:01 on Monday 20th April 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 Tuesday 21st April 2026

Expect clear skies in Mariehamn, Finland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

13
°C maximum temperature
1
°C minimum temperature
clear skies
13
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
16
kph wind from NW

Mariehamn weather for Wednesday 22nd April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north-west.

11
°C maximum temperature
4
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
28
kph wind from NW

Mariehamn weather for Thursday 23rd April 2026

Expect scattered clouds in Mariehamn, Finland with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north-west.

9
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
28
kph wind from NW

Mariehamn weather for Friday 24th April 2026

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

10
°C maximum temperature
3
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from NW

Mariehamn weather for Saturday 25th April 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.