St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 61°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 April 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 Saturday 18th April 2026

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south.

  • 61°F maximum temperature61
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    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 Sunday 19th April 2026

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a light breeze of 6 mph from the north-east.

  • 54°F maximum temperature54
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 86% chance of some rain86
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Light breeze of 6 mph from the North-East6
    mph wind from NE

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St Gallen weather for Monday 20th April 2026

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 52°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north.

  • 52°F maximum temperature52
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 52°F wind chill52
    °F wind chill
  • Light breeze of 5 mph from the North5
    mph wind from N

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St Gallen weather for Tuesday 21st April 2026

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 52°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-east.

  • 52°F maximum temperature52
    °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 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the North-East9
    mph wind from NE

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St Gallen weather for Wednesday 22nd April 2026

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north.

  • 54°F maximum temperature54
    °F maximum temperature
  • 39°F minimum temperature39
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Light breeze of 7 mph from the North7
    mph wind from N

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