St Gallen weather live forecast

Today's maximum temperature in St Gallen is expected to be 5°C. Select a day from the live weather forecast for St Gallen, Switzerland for more weather parameters.

  • Monday
    15th Dec
    Fog in low lying areas
  • Tuesday
    16th Dec
    Broken clouds
  • Wednesday
    17th Dec
    Broken clouds
  • Thursday
    18th Dec
    Clear skies
  • Friday
    19th Dec
    Scattered clouds

5-day weather forecast updated at 04:01 on Monday 15th December 2025 GMT

More about St Gallen

St Gallen by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Switzerland

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

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 Monday 15th December 2025

Expect fog in low lying areas in St Gallen, Switzerland with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

  • 5°C maximum temperature5
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Fog in low lying areas
    fog in low lying areas
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Little or no wind of 6 kph from the South6
    kph wind from S

Back to top

St Gallen weather for Tuesday 16th December 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 7°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 7 kph from the South7
    kph wind from S

Back to top

St Gallen weather for Wednesday 17th December 2025

Expect broken clouds in St Gallen, Switzerland with a maximum temperature of 7°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Little or no wind of 5 kph from the South5
    kph wind from S

Back to top

St Gallen weather for Thursday 18th December 2025

Expect clear skies in St Gallen, Switzerland with a maximum temperature of 7°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Clear skies
    clear skies
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 7 kph from the South7
    kph wind from S

Back to top

St Gallen weather for Friday 19th December 2025

Expect scattered clouds in St Gallen, Switzerland with a maximum temperature of 7°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Little or no wind of 6 kph from the South6
    kph wind from S

Back to top

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Switzerland

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^