Winchester, NV Weather & Growing Conditions
Overnight
86°F
Clear
Clear. Low around 86, with temperatures rising to around 88 overnight. West southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 86°F | Clear | 6 mph WSW | 0% |
| Tuesday | 112°F | Sunny | 5 to 15 mph SSW | 0% |
| Tuesday Night | 87°F | Mostly Clear | 6 to 14 mph SW | 0% |
| Wednesday | 112°F | Sunny | 3 to 12 mph SE | 0% |
| Wednesday Night | 88°F | Clear | 6 to 12 mph SW | 0% |
| Thursday | 111°F | Sunny | 3 to 9 mph ESE | 1% |
| Thursday Night | 89°F | Clear | 5 to 10 mph SW | 1% |
| Friday | 112°F | Sunny | 5 mph E | 2% |
| Friday Night | 90°F | Mostly Clear | 7 mph SW | 1% |
| Saturday | 113°F | Sunny | 2 to 9 mph ESE | 3% |
| Saturday Night | 90°F | Mostly Clear | 9 mph SW | 3% |
| Sunday | 111°F | Sunny | 6 to 14 mph SSE | 9% |
| Sunday Night | 88°F | Partly Cloudy | 9 to 14 mph S | 5% |
| Monday | 108°F | Slight Chance Showers And Thunderstorms | 9 to 15 mph SSE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winchester, NV
Last spring frost
Jan 20
First fall frost
Dec 15
Growing season
333 days
Hardiness zone
9b
Explore more for Winchester, NV: full frost dates · planting calendar · Nevada frost dates
Climate data from the nearest NOAA station, Las Vegas Mccarran Ap, Nv (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.