Summerlin South, NV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summerlin South, a community in Clark County, Nevada.
Overnight
83°F
Clear
Clear. Low around 83, with temperatures rising to around 85 overnight. West wind around 9 mph.
7-day forecast for Summerlin South
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 83°F | Clear | 9 mph W | 0% |
| Tuesday | 108°F | Sunny | 5 to 17 mph SSE | 0% |
| Tuesday Night | 83°F | Clear | 7 to 15 mph W | 0% |
| Wednesday | 108°F | Sunny | 5 to 14 mph SSE | 0% |
| Wednesday Night | 84°F | Clear | 6 to 14 mph WSW | 0% |
| Thursday | 107°F | Sunny | 5 to 12 mph ESE | 2% |
| Thursday Night | 85°F | Clear | 5 to 12 mph WSW | 2% |
| Friday | 107°F | Sunny | 3 to 8 mph E | 3% |
| Friday Night | 86°F | Mostly Clear | 9 mph SW | 3% |
| Saturday | 108°F | Sunny | 3 to 10 mph ESE | 6% |
| Saturday Night | 86°F | Mostly Clear | 8 to 12 mph SW | 6% |
| Sunday | 107°F | Slight Chance Showers And Thunderstorms | 7 to 16 mph S | 15% |
| Sunday Night | 84°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 16 mph SW | 15% |
| Monday | 104°F | Slight Chance Showers And Thunderstorms | 8 to 15 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov) for Summerlin South (36.124, -115.332). Updated through the day.
Growing snapshot for Summerlin South
Last spring frost
Mar 13
First fall frost
Nov 15
Growing season
244 days
Hardiness zone
9a
More local growing data for Summerlin South: nearby ZIP 89135 weather · frost dates · planting calendar · Nevada frost dates
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Climate data from the nearest NOAA station, Red Rock Canyon - Spg Mt Rch S, Nv (5.3 mi from Summerlin South). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.