Summerlin South, NV Weather & Growing Conditions
Tonight
68°F
Mostly Clear
Mostly clear. Low around 68, with temperatures rising to around 71 overnight. West northwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Sunday | 89°F | Mostly Sunny | 3 to 9 mph ESE | 0% |
| Sunday Night | 70°F | Mostly Clear | 1 to 8 mph WNW | 2% |
| Monday | 88°F | Mostly Sunny then Isolated Rain Showers | 2 to 13 mph E | 24% |
| Monday Night | 67°F | Isolated Rain Showers | 2 to 12 mph WSW | 24% |
| Tuesday | 85°F | Sunny | 3 to 7 mph ENE | 4% |
| Tuesday Night | 67°F | Mostly Clear | 2 to 7 mph W | 3% |
| Wednesday | 89°F | Sunny | 3 to 9 mph NNE | 3% |
| Wednesday Night | 69°F | Mostly Clear | 2 to 7 mph WSW | 3% |
| Thursday | 91°F | Sunny | 3 to 10 mph ENE | 4% |
| Thursday Night | 71°F | Mostly Clear | 2 to 9 mph WSW | 9% |
| Friday | 90°F | Slight Chance Showers And Thunderstorms | 2 to 9 mph SE | 20% |
| Friday Night | 70°F | Mostly Clear | 3 to 9 mph SW | 8% |
| Saturday | 90°F | Mostly Sunny | 3 to 12 mph SSW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Summerlin South, NV
Last spring frost
Mar 13
First fall frost
Nov 15
Growing season
244 days
Hardiness zone
9a
Explore more for Summerlin South, NV: full frost dates · planting calendar · Nevada frost dates
Climate data from the nearest NOAA station, Red Rock Canyon - Spg Mt Rch S, Nv (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.