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 -4.7 ° C ( 23.5°F )  Clear |
Feels Like : -7.5 ° C / 18.5°F Humidity : % 93 Pressure : 1017 mb Wind Speed : 6.1 kmph / 3.8 miles from NNW 
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 |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Moderate or heavy snow showers |
-6.7 ° C | 5 ° C | -1.5 ° C | % 89 | 14.8 km/h | 86% |
| 06 December 2025 Sat | Sunny |
-7.6 ° C | 2.3 ° C | -1.8 ° C | % 77 | 31 km/h | 0% |
| 07 December 2025 Sun |  Light freezing rain |
-9.8 ° C | 1.4 ° C | -5.1 ° C | % 81 | 13.3 km/h | 62% |
| 08 December 2025 Mon |  Moderate snow |
-9.2 ° C | 1.3 ° C | -4.2 ° C | % 85 | 12.6 km/h | 76% |
| 09 December 2025 Tue |  Heavy snow |
-5.7 ° C | 3.5 ° C | -1.4 ° C | % 96 | 21.6 km/h | 60% |
| 10 December 2025 Wed | Moderate or heavy snow showers |
-10.3 ° C | 2.4 ° C | -2.3 ° C | % 79 | 48.6 km/h | 67% |
| 11 December 2025 Thu | Light freezing rain |
-12.3 ° C | -2.7 ° C | -8.3 ° C | % 72 | 13 km/h | 85% |
| 12 December 2025 Fri | Heavy snow |
-7.6 ° C | 1.3 ° C | -3.3 ° C | % 98 | 6.8 km/h | 64% |
| 13 December 2025 Sat |  Patchy light snow |
-4.4 ° C | 2 ° C | -1.9 ° C | % 90 | 8.6 km/h | 88% |
| 14 December 2025 Sun | Heavy snow |
-13.6 ° C | -2.3 ° C | -5.5 ° C | % 96 | 9.7 km/h | 64% |
| 15 December 2025 Mon |  Light snow |
-18.1 ° C | -4.5 ° C | -12 ° C | % 88 | 13.3 km/h | 74% |
| 16 December 2025 Tue | Moderate snow |
-13.2 ° C | -3.8 ° C | -8.8 ° C | % 95 | 7.9 km/h | 73% |
| 17 December 2025 Wed | Heavy snow |
-19.4 ° C | -6.7 ° C | -13.3 ° C | % 93 | 13.7 km/h | 84% |
| 18 December 2025 Thu | Heavy snow |
-18.3 ° C | -7.5 ° C | -13 ° C | % 95 | 11.2 km/h | 62% |
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