Mariehamn weather live forecast

Tomorrow's maximum temperature in Mariehamn is expected to be 18°C.

5-day weather forecast updated at 04:01 on Thursday 3rd July 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 Thursday 3rd July 2025

Expect isolated thunderstorms in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a strong breeze of 42 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 91% chance of some rain91
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 42 kph from the South42
    kph wind from S

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Mariehamn weather for Friday 4th July 2025

Expect sunshine and showers in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a strong breeze of 42 kph from the north-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 5% chance of some rain5
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 42 kph from the North-West42
    kph wind from NW

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Mariehamn weather for Saturday 5th July 2025

Expect broken clouds in Mariehamn, Finland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 16 kph from the South16
    kph wind from S

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Mariehamn weather for Sunday 6th July 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 13 kph from the south.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 39% chance of some rain39
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Mariehamn weather for Monday 7th July 2025

Expect mostly cloudy with light rain in Mariehamn, Finland with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 14 kph from the south-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 50% chance of some rain50
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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

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