Helsinki weather live forecast

Today's maximum temperature in Helsinki is expected to be 17°C. Select a day from the live weather forecast for Helsinki, Finland for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT

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The 5-day weather forecast for Finland (Helsinki) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Helsinki weather forecast by day

Below are the detailed weather forecasts for Helsinki for the next 5 days.

Helsinki weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Helsinki, Finland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 18 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 69% chance of some rain69
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

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Helsinki weather for Friday 19th September 2025

Expect sunshine and showers in Helsinki, Finland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 15 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
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 30% chance of some rain30
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Helsinki weather for Saturday 20th September 2025

Expect mostly cloudy with rain in Helsinki, Finland with a maximum temperature of 18°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 25 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 46% chance of some rain46
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 25 kph from the West25
    kph wind from W

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Helsinki weather for Sunday 21st September 2025

Expect mostly cloudy with rain in Helsinki, Finland with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 55% chance of some rain55
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

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Helsinki weather for Monday 22nd September 2025

Expect broken clouds in Helsinki, Finland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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

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