Sun Valley Airport (SUN) 15 Day Weather Forecast, Sun Valley United States
Current weather conditions and 15 day weather forecast for Sun Valley Airport in Sun Valley, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at SUN
| 05 December 2025 Fri -4 ° C ( 24.8°F )  Partly Cloudy |
Feels Like : -5.5 ° C / 22.1°F Humidity : % 86 Pressure : 1019 mb Wind Speed : 4 kmph / 2.5 miles from W 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Sun Valley Airport, Sun Valley, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 04 December 2025 Thu |  Overcast |
-9.9 ° C | 1.4 ° C | -4.4 ° C | % 76 | 7.2 km/h | 0% |
| 05 December 2025 Fri |  Cloudy |
-6.5 ° C | 5.6 ° C | -0.8 ° C | % 87 | 9.4 km/h | 0% |
| 06 December 2025 Sat |  Sunny |
-5.2 ° C | 3.8 ° C | -0.6 ° C | % 74 | 32.8 km/h | 0% |
| 07 December 2025 Sun | Partly Cloudy |
-9.6 ° C | 1.4 ° C | -5.3 ° C | % 82 | 13 km/h | 0% |
| 08 December 2025 Mon |  Light freezing rain |
-9 ° C | 2.3 ° C | -4.2 ° C | % 85 | 11.5 km/h | 66% |
| 09 December 2025 Tue |  Patchy rain nearby |
-7.9 ° C | 4.9 ° C | -1.2 ° C | % 89 | 29.9 km/h | 89% |
| 10 December 2025 Wed |  Heavy snow |
-7.5 ° C | 2.9 ° C | -2.8 ° C | % 89 | 17.3 km/h | 83% |
| 11 December 2025 Thu | Sunny |
-11.9 ° C | 0.2 ° C | -6.2 ° C | % 73 | 37.4 km/h | 0% |
| 12 December 2025 Fri | Partly Cloudy |
-5.2 ° C | 2.4 ° C | -2.5 ° C | % 90 | 11.5 km/h | 0% |
| 13 December 2025 Sat |  Patchy moderate snow |
-10.9 ° C | 1.1 ° C | -4.4 ° C | % 86 | 16.2 km/h | 74% |
| 14 December 2025 Sun | Patchy moderate snow |
-12.4 ° C | 0.1 ° C | -7 ° C | % 83 | 11.5 km/h | 78% |
| 15 December 2025 Mon | Heavy snow |
-4.5 ° C | 1.5 ° C | -2 ° C | % 99 | 7.9 km/h | 89% |
| 16 December 2025 Tue | Heavy snow |
-3.9 ° C | 1 ° C | -1.6 ° C | % 99 | 8.6 km/h | 89% |
| 17 December 2025 Wed |  Moderate or heavy snow showers |
-8.7 ° C | 1.4 ° C | -2.8 ° C | % 94 | 34.9 km/h | 85% |
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