St Gallen weather live forecast

Tomorrow's maximum temperature in St Gallen is expected to be 21°C.

5-day weather forecast updated at 04:01 on Thursday 1st May 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 Thursday 1st May 2025

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 21°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the South8
    kph wind from S

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St Gallen weather for Friday 2nd May 2025

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 23°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

  • 23°C maximum temperature23
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 9 kph from the South9
    kph wind from S

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St Gallen weather for Saturday 3rd May 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 12 kph from the south-west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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St Gallen weather for Sunday 4th May 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 90% chance of some rain and a light breeze of 12 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 90% chance of some rain90
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the West12
    kph wind from W

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St Gallen weather for Monday 5th May 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 94% chance of some rain and a light breeze of 10 kph from the north.

  • 13°C maximum temperature13
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 94% chance of some rain94
    % chance of some rain
  • 50 mm or more of rainfall expected>50
    mm or more of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Light breeze of 10 kph from the North10
    kph wind from N

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

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