St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 13°C. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

  • Sunday
    19th Oct
    Broken clouds
  • Monday
    20th Oct
    Overcast with light rain (2-5 mm of rainfall expected)
  • Tuesday
    21st Oct
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    22nd Oct
    Sunshine and showers (5-10 mm of rainfall expected)
  • Thursday
    23rd Oct
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Saturday 18th October 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 19th October 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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St Gallen weather for Monday 20th October 2025

Expect overcast with light rain in St Gallen, Switzerland with a maximum temperature of 12°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a light breeze of 9 kph from the south.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the South9
    kph wind from S

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St Gallen weather for Tuesday 21st October 2025

Expect mostly cloudy with light rain in St Gallen, Switzerland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a light breeze of 7 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 71% chance of some rain71
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the South7
    kph wind from S

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St Gallen weather for Wednesday 22nd October 2025

Expect sunshine and showers in St Gallen, Switzerland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a light breeze of 10 kph from the south-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 77% chance of some rain77
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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St Gallen weather for Thursday 23rd October 2025

Expect mostly cloudy with rain in St Gallen, Switzerland with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 11 kph from the south.

  • 14°C maximum temperature14
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 78% chance of some rain78
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Light breeze of 11 kph from the South11
    kph wind from S

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

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