Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 52°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 Sunday 14th December 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 13th December 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 52°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

  • 52°F maximum temperature52
    °F maximum temperature
  • 28°F minimum temperature28
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the North-West7
    mph wind from NW

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Sun Valley weather for Sunday 14th December 2025

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 50°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north.

  • 50°F maximum temperature50
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Clear skies
    clear skies
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 5 mph from the North5
    mph wind from N

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Sun Valley weather for Monday 15th December 2025

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 48°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a light breeze of 4 mph from the west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 13% chance of some rain13
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 48°F wind chill48
    °F wind chill
  • Light breeze of 4 mph from the West4
    mph wind from W

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Sun Valley weather for Tuesday 16th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 48°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 88% chance of some sleet or snow and a gentle breeze of 9 mph from the south-west.

  • 48°F maximum temperature48
    °F maximum temperature
  • 30°F minimum temperature30
    °F minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 88% chance of some sleet or snow88
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • 45°F wind chill45
    °F wind chill
  • Gentle breeze of 9 mph from the South-West9
    mph wind from SW

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Sun Valley weather for Wednesday 17th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 37°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 73% chance of some sleet or snow and a moderate breeze of 17 mph from the west.

  • 37°F maximum temperature37
    °F maximum temperature
  • 19°F minimum temperature19
    °F minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 73% chance of some sleet or snow73
    % chance of some sleet or snow
  • 20-30 mm of sleet/snow expected<30
    mm of sleet/snow expected
  • 27°F wind chill27
    °F wind chill
  • Moderate breeze of 17 mph from the West17
    mph wind from W

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Metric (°C)  |  Imperial (°F)

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