Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 68°F. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 7th September 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 Sunday 7th September 2025

Expect fog in low lying areas in Mariehamn, Finland with a maximum temperature of 68°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

  • 68°F maximum temperature68
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 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
  • 68°F wind chill68
    °F wind chill
  • Little or no wind of 4 mph from the South4
    mph wind from S

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Mariehamn weather for Monday 8th September 2025

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

  • 66°F maximum temperature66
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Light breeze of 5 mph from the South-East5
    mph wind from SE

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Mariehamn weather for Tuesday 9th September 2025

Expect fog in low lying areas in Mariehamn, Finland with a maximum temperature of 68°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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Mariehamn weather for Wednesday 10th September 2025

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 11 mph from the east.

  • 66°F maximum temperature66
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the East11
    mph wind from E

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Mariehamn weather for Thursday 11th September 2025

Expect mostly cloudy with rain in Mariehamn, Finland with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 22 mph from the south-east.

  • 64°F maximum temperature64
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 60% chance of some rain60
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 22 mph from the South-East22
    mph wind from SE

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Metric (°C)  |  Imperial (°F)

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