Quartz Hill, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Quartz Hill, a community in Los Angeles County, California.
Today
104°F
Sunny
Sunny, with a high near 104. Southwest wind 10 to 20 mph, with gusts as high as 35 mph.
7-day forecast for Quartz Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny | 10 to 20 mph SW | 0% |
| Tonight | 81°F | Clear | 10 to 20 mph SW | 0% |
| Wednesday | 105°F | Sunny | 5 to 20 mph SW | 0% |
| Wednesday Night | 82°F | Clear | 5 to 20 mph SW | 0% |
| Thursday | 105°F | Sunny | 5 to 15 mph SW | 0% |
| Thursday Night | 74°F | Clear | 5 to 15 mph SW | 0% |
| Friday | 103°F | Sunny | 5 to 15 mph SW | 0% |
| Friday Night | 75°F | Clear | 5 to 15 mph SW | 0% |
| Saturday | 104°F | Sunny | 5 to 15 mph SW | 1% |
| Saturday Night | 76°F | Clear | 5 to 15 mph SW | 0% |
| Sunday | 102°F | Sunny | 5 to 20 mph SW | 0% |
| Sunday Night | 73°F | Mostly Clear | 10 to 20 mph SW | 0% |
| Monday | 97°F | Sunny | 10 to 25 mph SW | 2% |
| Monday Night | 70°F | Mostly Clear | 10 to 25 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Quartz Hill (34.652, -118.216). Updated through the day.
Growing snapshot for Quartz Hill
Last spring frost
Mar 10
First fall frost
Nov 19
Growing season
248 days
Hardiness zone
9a
More local growing data for Quartz Hill: nearby ZIP 93551 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Palmdale, Ca (7.6 mi from Quartz Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.