Winchester, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchester, a community in Clark County, Nevada.
Overnight
86°F
Clear
Clear. Low around 86, with temperatures rising to around 88 overnight. Southwest wind around 7 mph.
7-day forecast for Winchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 86°F | Clear | 7 mph SW | 0% |
| Tuesday | 113°F | Sunny | 5 to 15 mph SSW | 0% |
| Tuesday Night | 87°F | Mostly Clear | 7 to 14 mph SW | 0% |
| Wednesday | 113°F | Sunny | 5 to 12 mph SE | 0% |
| Wednesday Night | 88°F | Clear | 6 to 12 mph SSW | 0% |
| Thursday | 111°F | Sunny | 3 to 9 mph ESE | 1% |
| Thursday Night | 90°F | Clear | 5 to 10 mph SW | 1% |
| Friday | 112°F | Sunny | 5 mph ESE | 2% |
| Friday Night | 90°F | Mostly Clear | 7 mph SSW | 1% |
| Saturday | 113°F | Sunny | 2 to 9 mph ESE | 3% |
| Saturday Night | 91°F | Mostly Clear | 9 mph SSW | 3% |
| Sunday | 111°F | Sunny | 6 to 14 mph SSE | 8% |
| Sunday Night | 89°F | Partly Cloudy | 10 to 14 mph S | 5% |
| Monday | 108°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 11% |
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
Nearby towns & communities
Blue Diamond
Boulder City
Bunkerville
Cal-Nev-Ari
Enterprise
Goodsprings
Henderson
Indian Springs
Las Vegas
Laughlin
Mesquite
Moapa Town
Moapa Valley
Mount Charleston
Nellis AFB
Nelson
North Las Vegas
Paradise
Sandy Valley
Searchlight
Spring Valley
Summerlin South
Sunrise Manor
Whitney
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 Aug 4, 2026.