St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 8°C. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

  • Thursday
    14th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    15th May
    Overcast skies
  • Saturday
    16th May
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Sunday
    17th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    18th May
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 13th May 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 Thursday 14th May 2026

Expect mostly cloudy with rain in St Gallen, Switzerland with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 14 kph from the south-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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St Gallen weather for Friday 15th May 2026

Expect overcast skies in St Gallen, Switzerland with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Light breeze of 8 kph from the North-West8
    kph wind from NW

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St Gallen weather for Saturday 16th May 2026

Expect cloudy with some rain in St Gallen, Switzerland with a maximum temperature of 7°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a light breeze of 9 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 79% chance of some rain79
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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St Gallen weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in St Gallen, Switzerland with a maximum temperature of 11°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a light breeze of 8 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 26% chance of some rain26
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the North8
    kph wind from N

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St Gallen weather for Monday 18th May 2026

Expect mostly cloudy with light rain in St Gallen, Switzerland with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a light breeze of 9 kph from the north-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Light breeze of 9 kph from the North-East9
    kph wind from NE

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