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City of Sun Valley, IdahoSun Valley, ID 7-Day Weather Forecast
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Sun Valley Weather Forecast
Sun Valley, ID Weather Forecast Date: 1232 PM MDT Mon Sep 21 2026
Weather forecast for Sun Valley, ID
Tonight Lo: 45°F Lo: 7°C |
Tonight... Increasing clouds. Lows 39 to 49. |
Tue Hi: 66°FHi: 19°C Lo: 41°F Lo: 5°C |
Tuesday... Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 61 to 70. |
Wed Hi: 69°FHi: 21°C Lo: 47°F Lo: 8°C |
Wednesday... Sunny. Highs 64 to 72. |
| Thu Hi: 72°FHi: 22°C Lo: 42°F Lo: 6°C |
Thursday... Mostly clear. Highs 67 to 76. Lows 41 to 51. |
Fri Hi: 69°FHi: 21°C Lo: 40°F Lo: 4°C |
Friday... Partly cloudy. Highs 64 to 72. Lows 36 to 46. |
| Sat Hi: 63°FHi: 17°C Lo: 40°F Lo: 4°C |
Saturday... Partly cloudy. Highs 58 to 67. Lows 34 to 44. |
| Sun Hi: 63°FHi: 17°C Lo: 40°F Lo: 4°C |
Sunday... Partly cloudy. Highs 58 to 67. Lows 34 to 44. |
| Sun Hi: 63°FHi: 17°C Lo: 40°F Lo: 4°C |
Sunday... Partly cloudy. Highs 58 to 67. Lows 34 to 44. |
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