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
| 13 December 2025 Sat -0.7 ° C ( 30.7°F )  Overcast |
Feels Like : -4.5 ° C / 24°F Humidity : % 64 Pressure : 1023 mb Wind Speed : 11.2 kmph / 6.9 miles from N 
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 |
|---|---|---|---|---|---|---|---|
| 13 December 2025 Sat |  Partly Cloudy |
-3.3 ° C | 8.9 ° C | 1.8 ° C | % 48 | 11.2 km/h | 0% |
| 14 December 2025 Sun |  Sunny |
-0.4 ° C | 8.8 ° C | 3.5 ° C | % 32 | 9 km/h | 0% |
| 15 December 2025 Mon | Partly Cloudy |
-0.4 ° C | 8.8 ° C | 3 ° C | % 45 | 9 km/h | 0% |
| 16 December 2025 Tue |  Moderate rain |
-0.4 ° C | 7.5 ° C | 2.6 ° C | % 66 | 14.8 km/h | 86% |
| 17 December 2025 Wed |  Light freezing rain |
-3.6 ° C | 3.3 ° C | 0.8 ° C | % 81 | 37.1 km/h | 81% |
| 18 December 2025 Thu | Light freezing rain |
-5.7 ° C | 1.8 ° C | -2.8 ° C | % 79 | 28.4 km/h | 0% |
| 19 December 2025 Fri | Light freezing rain |
-7.2 ° C | 1.8 ° C | -4.3 ° C | % 78 | 24.5 km/h | 0% |
| 20 December 2025 Sat | Partly Cloudy |
-7.9 ° C | 0.6 ° C | -5.1 ° C | % 69 | 9 km/h | 0% |
| 21 December 2025 Sun |  Light snow |
-7.8 ° C | 0.3 ° C | -4.9 ° C | % 76 | 23.8 km/h | 79% |
| 22 December 2025 Mon | Overcast |
-11.8 ° C | -2.2 ° C | -6.6 ° C | % 60 | 9.7 km/h | 0% |
| 23 December 2025 Tue | Sunny |
-14.9 ° C | -5.4 ° C | -11.4 ° C | % 52 | 13 km/h | 0% |
| 24 December 2025 Wed | Sunny |
-16 ° C | -6.4 ° C | -12.3 ° C | % 55 | 8.6 km/h | 0% |
| 25 December 2025 Thu | Sunny |
-14.8 ° C | -5.3 ° C | -11.4 ° C | % 58 | 10.1 km/h | 0% |
| 26 December 2025 Fri | Sunny |
-15.1 ° C | -3.5 ° C | -10.8 ° C | % 57 | 10.8 km/h | 0% |
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