St Gallen weather live forecast

Tomorrow's maximum temperature in St Gallen is expected to be 77°F.

• Sunday
  15th Jun
  
  77
  63
  4
• Monday
  16th Jun
  
  64
  57
  6
• Tuesday
  17th Jun
  
  70
  54
  15
• Wednesday
  18th Jun
  
  73
  55
  16
• Thursday
  19th Jun
  
  73
  59
  15

5-day weather forecast updated at 04:01 on Sunday 15th June 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 Sunday 15th June 2025

Expect isolated thunderstorms in St Gallen, Switzerland with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 8 mph from the south.

• 77
  °F maximum temperature
• 63
  °F minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 5
  UV index (Moderate)
• 93
  % chance of some rain
• <20
  mm of rainfall expected
• 77
  °F wind chill
• 8
  mph wind from S

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St Gallen weather for Monday 16th June 2025

Expect mostly cloudy with light rain in St Gallen, Switzerland with a maximum temperature of 64°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a light breeze of 6 mph from the north-east.

• 64
  °F maximum temperature
• 57
  °F minimum temperature
• 
  mostly cloudy with light rain
• 6
  hours of sunshine
• 5
  UV index (Moderate)
• 25
  % chance of some rain
• <5
  mm of rainfall expected
• 0
  no heat & humidity
• 6
  mph wind from NE

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St Gallen weather for Tuesday 17th June 2025

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 70°F, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

• 70
  °F maximum temperature
• 54
  °F minimum temperature
• 
  clear skies
• 15
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 7
  mph wind from NE

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St Gallen weather for Wednesday 18th June 2025

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 73°F, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north.

• 73
  °F maximum temperature
• 55
  °F minimum temperature
• 
  clear skies
• 16
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 5
  mph wind from N

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St Gallen weather for Thursday 19th June 2025

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 73°F, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.

• 73
  °F maximum temperature
• 59
  °F minimum temperature
• 
  clear skies
• 15
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• 0
  no heat & humidity
• 6
  mph wind from NE

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• Save on trips down the Nile, Danube, Rhine & more
• 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

Metric (°C)  |  Imperial (°F)

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