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
70°F
Mostly Sunny
Mostly sunny, with a high near 70. West southwest wind 10 to 20 mph, with gusts as high as 30 mph.
7-day forecast for Quartz Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Sunny | 10 to 20 mph WSW | 0% |
| Tonight | 46°F | Clear | 15 to 20 mph W | 0% |
| Wednesday | 68°F | Sunny | 5 to 15 mph NNW | 0% |
| Wednesday Night | 45°F | Mostly Clear | 5 to 10 mph N | 0% |
| Thursday | 70°F | Sunny | 5 mph NNE | 0% |
| Thursday Night | 48°F | Mostly Clear | 5 mph NE | 0% |
| Friday | 73°F | Sunny | 5 to 10 mph NE | 0% |
| Friday Night | 50°F | Clear | 10 mph NE | 0% |
| Saturday | 75°F | Sunny | 10 to 15 mph NE | 0% |
| Saturday Night | 51°F | Clear | 0 to 10 mph NE | 0% |
| Sunday | 75°F | Sunny | 0 to 5 mph NE | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Monday | 75°F | Mostly Sunny | 0 mph | 0% |
| Monday Night | 52°F | Partly Cloudy | 0 mph | 0% |
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 Nov 3, 2026.