Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 1°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 29th November 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 29th November 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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Sun Valley weather for Sunday 30th November 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 3°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 3°C maximum temperature3
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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Sun Valley weather for Monday 1st December 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 2°C maximum temperature2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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Sun Valley weather for Tuesday 2nd December 2025

Expect overcast with light snow in Sun Valley, Idaho with a maximum temperature of 2°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 39% chance of some snow and a light breeze of 8 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 39% chance of some snow39
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Sun Valley weather for Wednesday 3rd December 2025

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 3°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 7% chance of some sleet or snow and a light breeze of 9 kph from the north.

  • 3°C maximum temperature3
    °C maximum temperature
  • -7°C minimum temperature-7
    °C 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)
  • 7% chance of some sleet or snow7
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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

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