St Moritz weather live forecast

Today's maximum temperature in St Moritz is expected to be 18°C. Select a day from the live weather forecast for St Moritz, Switzerland for more weather parameters.

  • Thursday
    20th Aug
    Isolated thunderstorms (20-30 mm of rainfall expected)
  • Friday
    21st Aug
    Isolated thunderstorms (10-20 mm of rainfall expected)
  • Saturday
    22nd Aug
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    23rd Aug
    Overcast skies
  • Monday
    24th Aug
    Cloudy with some rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Wednesday 19th August 2026 GMT

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The 5-day weather forecast for Switzerland (St Moritz) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Moritz weather forecast by day

Below are the detailed weather forecasts for St Moritz for the next 5 days.

St Moritz weather for Thursday 20th August 2026

Expect isolated thunderstorms in St Moritz, Switzerland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 14 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 74% chance of some rain74
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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St Moritz weather for Friday 21st August 2026

Expect isolated thunderstorms in St Moritz, Switzerland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a light breeze of 8 kph from the north-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 97% chance of some rain97
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the North-West8
    kph wind from NW

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St Moritz weather for Saturday 22nd August 2026

Expect mostly cloudy with light rain in St Moritz, Switzerland with a maximum temperature of 18°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 68% chance of some rain and a light breeze of 12 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 68% chance of some rain68
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Light breeze of 12 kph from the West12
    kph wind from W

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St Moritz weather for Sunday 23rd August 2026

Expect overcast skies in St Moritz, Switzerland with a maximum temperature of 17°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the West10
    kph wind from W

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St Moritz weather for Monday 24th August 2026

Expect cloudy with some rain in St Moritz, Switzerland with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a light breeze of 12 kph from the south.

  • 18°C maximum temperature18
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 91% chance of some rain91
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Light breeze of 12 kph from the South12
    kph wind from S

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