St Gallen weather live forecast

Tomorrow's maximum temperature in St Gallen is expected to be 82°F.

5-day weather forecast updated at 04:01 on Wednesday 2nd July 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 Wednesday 2nd July 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a light breeze of 6 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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St Gallen weather for Thursday 3rd July 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 75°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 87% chance of some rain and a light breeze of 7 mph from the south.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 87% chance of some rain87
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Light breeze of 7 mph from the South7
    mph wind from S

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St Gallen weather for Friday 4th July 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 70°F, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 4 mph from the north-east.

  • 70°F maximum temperature70
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 4 mph from the North-East4
    mph wind from NE

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St Gallen weather for Saturday 5th July 2025

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 79°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

  • 79°F maximum temperature79
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 79°F wind chill79
    °F wind chill
  • Light breeze of 5 mph from the South5
    mph wind from S

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St Gallen weather for Sunday 6th July 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 75°F, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 8 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 8 mph from the West8
    mph wind from W

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  • Book river cruises for summer & winter 2025/2026
  • Explore handpicked deals by season or river
Go to TUI River Cruises deal >>

View all TUI River Cruises offers

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Metric (°C)  |  Imperial (°F)

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