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
| 22 December 2025 Mon 1 ° C ( 33.8°F )  Overcast |
Feels Like : -3.8 ° C / 25.2°F Humidity : % 100 Pressure : 1010 mb Wind Speed : 15.5 kmph / 9.6 miles from SW 
Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Fog |
-5.6 ° C | 1.9 ° C | -0.9 ° C | % 97 | 15.5 km/h | 84% |
| 22 December 2025 Mon |  Heavy rain |
0.5 ° C | 2.9 ° C | 2.1 ° C | % 100 | 10.1 km/h | 89% |
| 23 December 2025 Tue |  Moderate rain |
-1.1 ° C | 3.5 ° C | 1.5 ° C | % 98 | 13.3 km/h | 84% |
| 24 December 2025 Wed |  Moderate or heavy snow showers |
-5.4 ° C | 2.8 ° C | 0.2 ° C | % 94 | 13.7 km/h | 76% |
| 25 December 2025 Thu |  Light snow |
-6.5 ° C | 1.9 ° C | -1.8 ° C | % 94 | 11.5 km/h | 89% |
| 26 December 2025 Fri | Moderate or heavy snow showers |
-4.7 ° C | 1.1 ° C | -2.1 ° C | % 98 | 11.5 km/h | 56% |
| 27 December 2025 Sat |  Cloudy |
-12.1 ° C | 0 ° C | -5.7 ° C | % 87 | 12.2 km/h | 0% |
| 28 December 2025 Sun |  Sunny |
-12.6 ° C | -0.7 ° C | -9 ° C | % 79 | 13.3 km/h | 0% |
| 29 December 2025 Mon | Sunny |
-12.5 ° C | 0.5 ° C | -7.6 ° C | % 71 | 15.1 km/h | 0% |
| 30 December 2025 Tue |  Partly Cloudy |
-7.3 ° C | 2.9 ° C | -1.7 ° C | % 80 | 11.9 km/h | 0% |
| 31 December 2025 Wed | Fog |
-1.6 ° C | 3.4 ° C | 0.5 ° C | % 99 | 10.1 km/h | 77% |
| 01 January 2026 Thu | Partly Cloudy |
-10.9 ° C | 1.6 ° C | -3.5 ° C | % 90 | 14 km/h | 0% |
| 02 January 2026 Fri | Sunny |
-12.1 ° C | -2.6 ° C | -8.6 ° C | % 68 | 14.4 km/h | 0% |
| 03 January 2026 Sat |  Heavy snow |
-10.2 ° C | -0 ° C | -4.3 ° C | % 84 | 11.5 km/h | 65% |
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