National Weather Service Forecast for: Quartz Hill CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 8:42 pm PDT Jul 12, 2026
 
Tonight

Tonight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Slight Chance
T-storms

 Monday

Monday: A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 96. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
T-storms

 Monday
Night
Monday Night: Partly cloudy, with a low around 79. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Partly Cloudy

 Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 102. Heat index values as high as 107. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Slight Chance
T-storms

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 81. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny and hot, with a high near 107.
Hot

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 81.
Mostly Clear

 Thursday

Thursday: Sunny and hot, with a high near 101. Breezy.
Sunny then
Sunny and
Breezy
 Thursday
Night
Thursday Night: Mostly clear, with a low around 77. Breezy.
Mostly Clear
and Breezy
then Mostly
Clear
Lo 77 °F Hi 96 °F Lo 79 °F Hi 102 °F Lo 81 °F Hi 107 °F Lo 81 °F Hi 101 °F Lo 77 °F

Extreme Heat Watch
 

Tonight
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
 
 A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 96. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
 
 Partly cloudy, with a low around 79. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 102. Heat index values as high as 107. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
 
 Mostly clear, with a low around 81. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
 Sunny and hot, with a high near 107.
Wednesday Night
 
 Mostly clear, with a low around 81.
Thursday
 
 Sunny and hot, with a high near 101. Breezy.
Thursday Night
 
 Mostly clear, with a low around 77. Breezy.
Friday
 
 A slight chance of showers after 11am. Sunny, with a high near 94. Breezy.
Friday Night
 
 Partly cloudy, with a low around 74. Breezy.
Saturday
 
 Mostly sunny, with a high near 91.
Saturday Night
 
 Mostly clear, with a low around 73. Breezy.
Sunday
 
 Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Quartz Hill CA.