Winchester, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a community in Clark County, Nevada.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. West southwest wind 6 to 9 mph.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 6 to 9 mph WSW | 0% |
| Saturday | 94°F | Sunny | 6 mph ENE | 0% |
| Saturday Night | 75°F | Mostly Clear | 3 mph NW | 0% |
| Sunday | 94°F | Mostly Sunny | 5 mph NE | 0% |
| Sunday Night | 77°F | Partly Cloudy | 0 to 5 mph WSW | 13% |
| Monday | 92°F | Slight Chance Showers And Thunderstorms | 2 to 9 mph E | 27% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 27% |
| Tuesday | 92°F | Sunny | 5 mph NE | 8% |
| Tuesday Night | 74°F | Clear | 5 mph NNE | 3% |
| Wednesday | 95°F | Sunny | 6 mph NE | 3% |
| Wednesday Night | 76°F | Mostly Clear | 5 mph NNW | 4% |
| Thursday | 97°F | Sunny | 2 to 6 mph ENE | 2% |
| Thursday Night | 78°F | Partly Cloudy | 5 mph SW | 5% |
| Friday | 96°F | Mostly Sunny | 2 to 6 mph ESE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Winchester (36.136, -115.137). Updated through the day.
Growing snapshot for Winchester
Last spring frost
Jan 20
First fall frost
Dec 15
Growing season
333 days
Hardiness zone
9b
More local growing data for Winchester: nearby ZIP 89169 weather · frost dates · planting calendar · Nevada frost dates
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Climate data from the nearest NOAA station, Las Vegas Mccarran Ap, Nv (3.8 mi from Winchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.