St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 32°C. 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 Thursday 30th July 2026 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 Thursday 30th July 2026

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 32°C maximum temperature32
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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St Gallen weather for Friday 31st July 2026

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 10 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 40% chance of some rain40
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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St Gallen weather for Saturday 1st August 2026

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 9 kph from the north-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 62% chance of some rain62
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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St Gallen weather for Sunday 2nd August 2026

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a light breeze of 7 kph from the south.

  • 29°C maximum temperature29
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 21% chance of some rain21
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 kph from the South7
    kph wind from S

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St Gallen weather for Monday 3rd August 2026

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a light breeze of 8 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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