Sun Valley Weather Forecast 15 Days, Weather in Sun Valley Today
Current weather conditions and 15 day weather forecast for Sun Valley, Nevada, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Sun Valley
| 21 December 2025 Sunday 10.6 ° C / 51.1°F  Partly cloudy |
Feels Like : 10.9 ° C / 51.6°F Humidity : % 61 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Sun Valley, NV, USA
Weather Forecast for next 15 Days for Sun Valley including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Sun Valley, Nevada state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday |  Sunny |
6.8 ° C (44.2°F) |
15.5 ° C (59.9°F) |
10.6 ° C (51.1°F) |
% 61 | 0% | 0.3 | Sunrise:07:16 AM Sunset: 04:38 PM |
Moonrise:08:11 AM Moonset: 05:03 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Patchy rain nearby |
6.2 ° C (43.2°F) |
14.3 ° C (57.7°F) |
10 ° C (50°F) |
% 68 | 82% | 0.4 | Sunrise:07:16 AM Sunset: 04:38 PM |
Moonrise:08:55 AM Moonset: 06:05 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Partly Cloudy |
4.5 ° C (40.1°F) |
10.9 ° C (51.6°F) |
6.9 ° C (44.3°F) |
% 78 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:39 PM |
Moonrise:09:32 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Mist |
1.2 ° C (34.2°F) |
12.6 ° C (54.7°F) |
6.1 ° C (43°F) |
% 73 | 0% | 0.4 | Sunrise:07:17 AM Sunset: 04:39 PM |
Moonrise:10:03 AM Moonset: 08:16 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Moderate rain |
-1.4 ° C (29.4°F) |
2.5 ° C (36.4°F) |
1.8 ° C (35.3°F) |
% 73 | 80% | 0.3 | Sunrise:07:18 AM Sunset: 04:40 PM |
Moonrise:10:29 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate or heavy snow in area with thunder |
-3 ° C (26.6°F) |
-1.3 ° C (29.6°F) |
-0.7 ° C (30.7°F) |
% 92 | 53% | 0 | Sunrise:07:18 AM Sunset: 04:41 PM |
Moonrise:10:53 AM Moonset: 10:28 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Freezing fog |
-3.6 ° C (25.5°F) |
-0.8 ° C (30.5°F) |
-0.7 ° C (30.8°F) |
% 97 | 83% | 1 | Sunrise:07:18 AM Sunset: 04:41 PM |
Moonrise:11:16 AM Moonset: 11:35 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Heavy snow |
-2.4 ° C (27.7°F) |
-1.9 ° C (28.6°F) |
-0.7 ° C (30.7°F) |
% 100 | 69% | 1 | Sunrise:07:19 AM Sunset: 04:42 PM |
Moonrise:11:39 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Freezing fog |
-2.7 ° C (27.2°F) |
-1.9 ° C (28.6°F) |
-1.3 ° C (29.6°F) |
% 96 | 65% | 1 | Sunrise:07:19 AM Sunset: 04:43 PM |
Moonrise:12:04 PM Moonset: 12:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-8.5 ° C (16.7°F) |
-1.8 ° C (28.8°F) |
-4 ° C (24.8°F) |
% 86 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:44 PM |
Moonrise:12:32 PM Moonset: 01:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-5.8 ° C (21.6°F) |
-0.2 ° C (31.7°F) |
-1.4 ° C (29.4°F) |
% 77 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:44 PM |
Moonrise:01:07 PM Moonset: 03:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
0.4 ° C (32.7°F) |
2.4 ° C (36.3°F) |
2 ° C (35.6°F) |
% 79 | 0% | 2 | Sunrise:07:20 AM Sunset: 04:45 PM |
Moonrise:01:52 PM Moonset: 04:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
-1.5 ° C (29.3°F) |
1.6 ° C (34.9°F) |
1 ° C (33.8°F) |
% 82 | 89% | 1 | Sunrise:07:20 AM Sunset: 04:46 PM |
Moonrise:02:48 PM Moonset: 05:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
-1.2 ° C (29.8°F) |
2.7 ° C (36.9°F) |
1.1 ° C (33.9°F) |
% 85 | 85% | 1 | Sunrise:07:20 AM Sunset: 04:47 PM |
Moonrise:03:56 PM Moonset: 06:59 AM Moon Phase ( Waxing Gibbous ) |
|
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