Mariehamn weather live forecast

Today's maximum temperature in Mariehamn is expected to be 0°C. Select a day from the live weather forecast for Mariehamn, Finland for more weather parameters.

  • Wednesday
    14th Jan
    Overcast with light snow (5-10 cm of snow expected)
  • Thursday
    15th Jan
    Mostly cloudy with light snow (2-5 cm of snow expected)
  • Friday
    16th Jan
    Overcast skies
  • Saturday
    17th Jan
    Overcast skies
  • Sunday
    18th Jan
    Overcast skies

5-day weather forecast updated at 04:01 on Wednesday 14th January 2026 GMT

More about Mariehamn

Mariehamn by month

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

Recommended for Finland

  • Save 10% on 2026/2027 holidays in biggest ever TUI sale
  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Show discount codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

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 Wednesday 14th January 2026

Expect overcast with light snow in Mariehamn, Finland with a maximum temperature of 0°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 98% chance of some snow and a fresh breeze of 33 kph from the south-east.

  • 0°C maximum temperature0
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 98% chance of some snow98
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -7°C wind chill-7
    °C wind chill
  • Fresh breeze of 33 kph from the South-East33
    kph wind from SE

Back to top

Mariehamn weather for Thursday 15th January 2026

Expect mostly cloudy with light snow in Mariehamn, Finland with a maximum temperature of 1°C and no hours of bright sunshine. There are 2-5 cm of snow expected with 15% chance of some snow and a moderate breeze of 28 kph from the south.

  • 1°C maximum temperature1
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 15% chance of some snow15
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 28 kph from the South28
    kph wind from S

Back to top

Mariehamn weather for Friday 16th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 3°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 24 kph from the South24
    kph wind from S

Back to top

Mariehamn weather for Saturday 17th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 3°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 23 kph from the South23
    kph wind from S

Back to top

Mariehamn weather for Sunday 18th January 2026

Expect overcast skies in Mariehamn, Finland with a maximum temperature of 1°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

Back to top

  • Save 10% on 2026/2027 holidays in biggest ever TUI sale
  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Show discount codeShow discount code ******ALE

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUITUI deal finder

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

Back to top

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^