St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 63°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 Thursday 10th September 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 Friday 11th September 2026

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 63°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

  • 63°F maximum temperature63
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    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
  • Little or no wind of 4 mph from the South4
    mph wind from S

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St Gallen weather for Saturday 12th September 2026

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 66°F, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    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 13th September 2026

Expect sunshine and showers in St Gallen, Switzerland with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 4 mph from the south.

  • 70°F maximum temperature70
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Light breeze of 4 mph from the South4
    mph wind from S

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St Gallen weather for Monday 14th September 2026

Expect sunshine and showers in St Gallen, Switzerland with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and little or no wind of 4 mph from the south.

  • 68°F maximum temperature68
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Little or no wind of 4 mph from the South4
    mph wind from S

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St Gallen weather for Tuesday 15th September 2026

Expect sunshine and showers in St Gallen, Switzerland with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and a light breeze of 5 mph from the south-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 3% chance of some rain3
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Light breeze of 5 mph from the South-West5
    mph wind from SW

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