St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 14°C. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

  • Sunday
    28th Sep
    Broken clouds
  • Monday
    29th Sep
    Broken clouds
  • Tuesday
    30th Sep
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    1st Oct
    Broken clouds
  • Thursday
    2nd Oct
    Broken clouds

5-day weather forecast updated at 04:01 on Sunday 28th September 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 28th September 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the North-East8
    kph wind from NE

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St Gallen weather for Monday 29th September 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North-East7
    kph wind from NE

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St Gallen weather for Tuesday 30th September 2025

Expect mostly cloudy with light rain in St Gallen, Switzerland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and little or no wind of 6 kph from the north.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 45% chance of some rain45
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Little or no wind of 6 kph from the North6
    kph wind from N

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St Gallen weather for Wednesday 1st October 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Light breeze of 12 kph from the North-East12
    kph wind from NE

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St Gallen weather for Thursday 2nd October 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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

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