Sun Valley, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sun Valley, a community in Washoe County, Nevada.
Tonight
48°F
Mostly Clear
Mostly clear, with a low around 48. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Sun Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Saturday | 77°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 51°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Sunday | 79°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 0 to 5 mph NW | 0% |
| Monday | 81°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 54°F | Partly Cloudy | 0 to 10 mph NW | 0% |
| Tuesday | 82°F | Sunny | 0 to 5 mph N | 0% |
| Tuesday Night | 55°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 84°F | Sunny | 0 to 10 mph S | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 85°F | Sunny | 0 to 10 mph SW | 0% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 10 mph SW | 0% |
| Friday | 82°F | Mostly Sunny | 5 to 15 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sun Valley (39.610, -119.777). Updated through the day.
Growing snapshot for Sun Valley
Last spring frost
Apr 28
First fall frost
Oct 27
Growing season
182 days
Hardiness zone
7b
More local growing data for Sun Valley: nearby ZIP 89433 weather · frost dates · planting calendar · Nevada frost dates
Nearby towns & communities
Cold Springs
Crystal Bay
Empire
Gerlach
Golden Valley
Incline Village
Lemmon Valley
Mogul
Nixon
Reno
Spanish Springs
Sparks
Sutcliffe
Verdi
Wadsworth
Washoe Valley
Climate data from the nearest NOAA station, Reno Wfo, Nv (2.2 mi from Sun Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.