St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 6°C. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

  • Saturday
    20th Dec
    Broken clouds
  • Sunday
    21st Dec
    Fog in low lying areas
  • Monday
    22nd Dec
    Fog in low lying areas
  • Tuesday
    23rd Dec
    Fog in low lying areas
  • Wednesday
    24th Dec
    Fog in low lying areas

5-day weather forecast updated at 04:02 on Friday 19th 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 Saturday 20th December 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 6°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 6°C maximum temperature6
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Little or no wind of 5 kph from the South5
    kph wind from S

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St Gallen weather for Sunday 21st December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 5°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Little or no wind of 4 kph from the East4
    kph wind from E

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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 5°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Little or no wind of 4 kph from the North-East4
    kph wind from NE

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St Gallen weather for Tuesday 23rd December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 3°C and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C 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
  • 2°C wind chill2
    °C wind chill
  • Little or no wind of 4 kph from the North-East4
    kph wind from NE

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St Gallen weather for Wednesday 24th December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 1°C and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -1°C minimum temperature-1
    °C 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
  • -1°C wind chill-1
    °C wind chill
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Show discount codeShow discount code ******ALE
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Metric (°C / mm)  |  Imperial (°F / inches)

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