Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 24°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Saturday 30th August 2025 GMT

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

Sun Valley weather forecast by day

Below are the detailed weather forecasts for Sun Valley for the next 5 days.

Sun Valley weather for Saturday 30th August 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

  • 24°C maximum temperature24
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Sun Valley weather for Sunday 31st August 2025

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

  • 24°C maximum temperature24
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the North11
    kph wind from N

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Sun Valley weather for Monday 1st September 2025

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 26°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 26°C maximum temperature26
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North9
    kph wind from N

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Sun Valley weather for Tuesday 2nd September 2025

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a light breeze of 9 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 4% chance of some rain4
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North9
    kph wind from N

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Sun Valley weather for Wednesday 3rd September 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North10
    kph wind from N

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

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