Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 82°F. 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 26th July 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 26th July 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.

  • 82°F maximum temperature82
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the North9
    mph wind from N

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Sun Valley weather for Sunday 27th July 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

  • 81°F maximum temperature81
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Sun Valley weather for Monday 28th July 2025

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 86°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a gentle breeze of 9 mph from the north.

  • 86°F maximum temperature86
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 2% chance of some rain2
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the North9
    mph wind from N

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Sun Valley weather for Tuesday 29th July 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.

  • 86°F maximum temperature86
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the North9
    mph wind from N

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Sun Valley weather for Wednesday 30th July 2025

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 86°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 9 mph from the north.

  • 86°F maximum temperature86
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 32% chance of some rain32
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 9 mph from the North9
    mph wind from N

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