Mariehamn weather live forecast

Tomorrow's maximum temperature in Mariehamn is expected to be 12°C.

  • Saturday
    19th Apr
    Overcast with light rain (10-20 mm of rainfall expected)
  • Sunday
    20th Apr
    Overcast with light rain (20-30 mm of rainfall expected)
  • Monday
    21st Apr
    Sunshine and showers (0-2 mm of rainfall expected)
  • Tuesday
    22nd Apr
    Broken clouds
  • Wednesday
    23rd Apr
    Clear skies

5-day weather forecast updated at 04:00 on Friday 18th April 2025 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 Saturday 19th April 2025

Expect overcast with light rain in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 19 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 66% chance of some rain66
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 19 kph from the North-East19
    kph wind from NE

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Mariehamn weather for Sunday 20th April 2025

Expect overcast with light rain in Mariehamn, Finland with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 20 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 66% chance of some rain66
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 20 kph from the North-East20
    kph wind from NE

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Mariehamn weather for Monday 21st April 2025

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a gentle breeze of 17 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 12% chance of some rain12
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the North17
    kph wind from N

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Mariehamn weather for Tuesday 22nd April 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 12°C maximum temperature12
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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Mariehamn weather for Wednesday 23rd April 2025

Expect clear skies in Mariehamn, Finland with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Metric (°C / mm)  |  Imperial (°F / inches)

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