St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 50°F. 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 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 Saturday 18th October 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 50°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.

  • 50°F maximum temperature50
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 46°F wind chill46
    °F wind chill
  • Light breeze of 6 mph from the North-East6
    mph wind from NE

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St Gallen weather for Sunday 19th October 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

  • 55°F maximum temperature55
    °F maximum temperature
  • 39°F minimum temperature39
    °F 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
  • 55°F wind chill55
    °F wind chill
  • Light breeze of 5 mph from the South5
    mph 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 54°F, 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 6 mph from the south.

  • 54°F maximum temperature54
    °F maximum temperature
  • 46°F minimum temperature46
    °F 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 6 mph from the South6
    mph 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 52°F, 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 4 mph from the south.

  • 52°F maximum temperature52
    °F maximum temperature
  • 48°F minimum temperature48
    °F 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 4 mph from the South4
    mph 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 52°F, 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 6 mph from the south-west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 46°F minimum temperature46
    °F 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
  • 52°F wind chill52
    °F wind chill
  • Light breeze of 6 mph from the South-West6
    mph wind from SW

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