Winchester, NV Weather & Growing Conditions
Today
114°F
Sunny
Sunny. High near 114, with temperatures falling to around 112 in the afternoon. Heat index values as high as 106. South wind 5 to 15 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 114°F | Sunny | 5 to 15 mph S | 0% |
| Tonight | 88°F | Mostly Clear | 6 to 14 mph SSW | 0% |
| Wednesday | 113°F | Sunny | 5 to 12 mph SE | 0% |
| Wednesday Night | 89°F | Clear | 5 to 12 mph SSE | 0% |
| Thursday | 112°F | Sunny | 3 to 9 mph ESE | 1% |
| Thursday Night | 90°F | Mostly Clear | 3 to 9 mph SSE | 1% |
| Friday | 113°F | Sunny | 2 to 6 mph ESE | 2% |
| Friday Night | 91°F | Mostly Clear | 3 to 7 mph SW | 1% |
| Saturday | 114°F | Sunny | 2 to 8 mph ESE | 2% |
| Saturday Night | 92°F | Mostly Clear | 5 to 8 mph SSW | 2% |
| Sunday | 112°F | Sunny | 5 to 15 mph SSE | 7% |
| Sunday Night | 89°F | Partly Cloudy | 12 to 15 mph S | 4% |
| Monday | 109°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 10% |
| Monday Night | 87°F | Partly Cloudy | 10 to 15 mph S | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winchester, NV
Last spring frost
Feb 1
First fall frost
Dec 8
Growing season
311 days
Hardiness zone
9b
Explore more for Winchester, NV: full frost dates · planting calendar · Nevada frost dates
Climate data from the nearest NOAA station, N Las Vegas, Nv (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.