Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 36°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 7th 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 Sunday 7th December 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 36°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-east.

  • 36°F maximum temperature36
    °F maximum temperature
  • 21°F minimum temperature21
    °F 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
  • 32°F wind chill32
    °F wind chill
  • Light breeze of 6 mph from the South-East6
    mph wind from SE

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Sun Valley weather for Monday 8th December 2025

Expect clear skies with flurries of snow in Sun Valley, Idaho with a maximum temperature of 39°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 55% chance of some snow and a light breeze of 7 mph from the south-west.

  • 39°F maximum temperature39
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 55% chance of some snow55
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 34°F wind chill34
    °F wind chill
  • Light breeze of 7 mph from the South-West7
    mph wind from SW

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Sun Valley weather for Tuesday 9th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 45°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 51% chance of some sleet or snow and a gentle breeze of 10 mph from the west.

  • 45°F maximum temperature45
    °F maximum temperature
  • 32°F minimum temperature32
    °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)
  • 51% chance of some sleet or snow51
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 39°F wind chill39
    °F wind chill
  • Gentle breeze of 10 mph from the West10
    mph wind from W

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Sun Valley weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 46°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 62% chance of some sleet or snow and a moderate breeze of 14 mph from the west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 62% chance of some sleet or snow62
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 41°F wind chill41
    °F wind chill
  • Moderate breeze of 14 mph from the West14
    mph wind from W

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Sun Valley weather for Thursday 11th December 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 46°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

  • 46°F maximum temperature46
    °F maximum temperature
  • 32°F minimum temperature32
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 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
  • 41°F wind chill41
    °F wind chill
  • Gentle breeze of 11 mph from the North-West11
    mph wind from NW

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