St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 46°F. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 21st December 2025 GMT

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

St Gallen weather forecast by day

Below are the detailed weather forecasts for St Gallen for the next 5 days.

St Gallen weather for Sunday 21st December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 46°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north-west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 34°F minimum temperature34
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 45°F wind chill45
    °F wind chill
  • Light breeze of 5 mph from the North-West5
    mph wind from NW

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St Gallen weather for Monday 22nd December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 45°F and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-east.

  • 45°F maximum temperature45
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 43°F wind chill43
    °F wind chill
  • Light breeze of 4 mph from the North-East4
    mph wind from NE

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St Gallen weather for Tuesday 23rd December 2025

Expect overcast with light rain in St Gallen, Switzerland with a maximum temperature of 39°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 3 mph from the north.

  • 39°F maximum temperature39
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 37°F wind chill37
    °F wind chill
  • Little or no wind of 3 mph from the North3
    mph wind from N

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St Gallen weather for Wednesday 24th December 2025

Expect overcast with light snow in St Gallen, Switzerland with a maximum temperature of 32°F and no hours of bright sunshine. There are 2-5 cm of snow expected with 34% chance of some snow and a gentle breeze of 11 mph from the north-east.

  • 32°F maximum temperature32
    °F maximum temperature
  • 28°F minimum temperature28
    °F 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)
  • 34% chance of some snow34
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • 23°F wind chill23
    °F wind chill
  • Gentle breeze of 11 mph from the North-East11
    mph wind from NE

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St Gallen weather for Thursday 25th December 2025

Expect mostly cloudy with light snow in St Gallen, Switzerland with a maximum temperature of 32°F and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 5% chance of some snow and a light breeze of 4 mph from the north-east.

  • 32°F maximum temperature32
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 5% chance of some snow5
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 28°F wind chill28
    °F wind chill
  • Light breeze of 4 mph from the North-East4
    mph wind from NE

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  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
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