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Winchester, NV Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a community in Clark County, Nevada.

This Afternoon
95°F
Sunny
Sunny, with a high near 95. Southwest wind around 13 mph, with gusts as high as 22 mph.

7-day forecast for Winchester

WhenTempForecastWindPrecip
This Afternoon 95°F Sunny 13 mph SW 0%
Tonight 73°F Clear 6 to 13 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%

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.