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Green Valley, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 11 Miles WSW Quartz Hill CA
National Weather Service Forecast for: 11 Miles WSW Quartz Hill CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 2:26 pm PDT Jun 19, 2025
 
Juneteenth

Juneteenth: Sunny, with a high near 90. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.
Sunny and
Breezy
Tonight

Tonight: Clear, with a low around 55. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Clear and
Breezy
Friday

Friday: Sunny, with a high near 77. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunny and
Breezy
Friday
Night
Friday Night: Clear, with a low around 49. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Clear and
Breezy
Saturday

Saturday: Sunny, with a high near 69. Windy, with a west wind 25 to 30 mph, with gusts as high as 40 mph.
Sunny and
Windy
Saturday
Night
Saturday Night: Clear, with a low around 48. Breezy.
Clear and
Breezy
Sunday

Sunday: Sunny, with a high near 76.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 52.
Clear
Monday

Monday: Sunny, with a high near 76.
Sunny
Hi 90 °F Lo 55 °F Hi 77 °F Lo 49 °F Hi 69 °F Lo 48 °F Hi 76 °F Lo 52 °F Hi 76 °F

Wind Advisory
 

Juneteenth
 
Sunny, with a high near 90. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.
Tonight
 
Clear, with a low around 55. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Friday
 
Sunny, with a high near 77. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
Clear, with a low around 49. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Saturday
 
Sunny, with a high near 69. Windy, with a west wind 25 to 30 mph, with gusts as high as 40 mph.
Saturday Night
 
Clear, with a low around 48. Breezy.
Sunday
 
Sunny, with a high near 76.
Sunday Night
 
Clear, with a low around 52.
Monday
 
Sunny, with a high near 76.
Monday Night
 
Clear, with a low around 52.
Tuesday
 
Sunny, with a high near 77.
Tuesday Night
 
Clear, with a low around 53.
Wednesday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for 11 Miles WSW Quartz Hill CA.

Weather Forecast Discussion
810
FXUS66 KLOX 192121
AFDLOX

Area Forecast Discussion
National Weather Service Los Angeles/Oxnard CA
221 PM PDT Thu Jun 19 2025

.SYNOPSIS...19/220 PM.

A cooling trend will continue through Saturday as low pressure
develops along the West Coast. Increasing night and morning low
clouds and fog are expected as well. Gusty northerly winds are
expected across southern Santa Barbara County, through the
Interstate 5 Corridor and for other interior areas for the next
several nights. Below normal temperatures are expected into next
week.

&&

.SHORT TERM (TDY-SUN)...19/217 PM.

There were a few low clouds along some of the beaches early this
afternoon and these may persist until late today. Otherwise,
sunny skies prevailed across the region which will continue
through sunset. A rapid increase in onshore pressure gradients
were noted into the afternoon, with the NAM fcst LAX-DAG gradient
topping out around +9.7 mb at 00Z this afternoon, while the LAX-
BFL gradient is expected to be +5.7 mb at that time. These onshore
gradients will help to bring gusty NW winds to the Central Coast
and SW SBA County by mid to late this afternoon, as well as gusty
W-NW winds from the I-5 Corridor of NW L.A. County to the Antelope
Vly. Gusty NW winds will also affect portions of the Santa Lucia
range and Salinas River Vly starting late today or early this
evening. Winds gusts are expected to reach Advisory levels for
many of these areas and a series of Wind Advisories have been
issued. Elsewhere this afternoon into this evening, breezy to
gusty SW-NW winds will affect many other areas as well.

Temps this afternoon will be several degrees cooler in all areas
compared to the last few days, but remain 4-8 deg above normal for
most areas, except dropping to a few deg below normal for the
Central Coast into the Santa Ynez Vly. The warmest vlys and lower
mtns should top out in the mid 80s to mid 90s, except around 100
for the Antelope vly.

A broad upper level trof will prevail over the region through
Sun, altho the lowest H5 heights will be Sat night and early Sun
at around 575-579 dam. A broad W to WSW flow aloft will prevail
thru the period.

A marine layer pattern for the most part can be expected tonight
thru Sun, with varying amounts of night and morning low clouds and
fog for the coast and vlys, altho the extent of the low clouds
may be a bit less Sat night into Sun morning due to some northerly
offshore flow and offshore pressure gradients and trends.

Winds will continue to be factor in the fcst thru Fri night and
possible into Sat as strong onshore gradients persist. The
strongest winds will likely be Fri night for SW SBA County and
into the L.A. county mtns including the I-5 Corridor and portions
of the highway 14 corridor. The Wind Advisories are in effect thru
late Fri night for many of these areas. Please see the latest
Non-Precipitation Weather Message (LAXNPWLOX) for further details.

Temps are forecast to be about 10 degrees cooler on Friday then
another 2 to 5 deg cooler on Sat before warming back up several
deg on Sun due to the offshore gradients. Highs will be several
deg below normal in all areas Fri thru Sun, coolest on Sat at
6-12 deg or more below normal for many inland areas.

.LONG TERM (MON-THU)...19/218 PM.

EC and GFS in generally good agreement during the extended. The
upper level trof will linger over srn CA Mon and Tue, then some
upper level ridging should move into the area Wed and Thu.

Night and morning marine layer clouds and some fog is expected
for much of the coast and vlys each day thru the extended period.
Breezy to gusty SW to NW winds can be expected each afternoon into
the evening. Temps should continue to be several deg below
seasonal norms Mon and Tue, then warm to slightly below normal on
Wed and to near normal to slightly above normal on Thu.

&&

.AVIATION...19/1806Z.

At 1741Z at KLAX, the marine layer was 2000 feet deep. The top of
the inversion was 5000 feet with a temperature of 23 Celsius.

High confidence in VFR TAFs at KPRB, KPMD, and KWJF.

Low to moderate confidence in remainder of TAFs. Timing of flight
cat changes could be off by +/- 3 hours. There is a 40% chance of
IFR-MVFR cigs at KSBA, KCMA, and KOXR after 10Z Fri.

LLWS 10-20 knots possible at KSBA Friday 01-08Z.

KLAX...Moderate confidence in TAF. There is a 30% chance of a
brief BKN010 22Z Thu - 01Z Fri. Timing of return of cigs tonight
could be off by +/- 3 hours. Southeast winds will be prevalent
12Z-17Z Fri, with a 20% chance of exceeding 8 knots.

KBUR...Moderate confidence in TAF. Timing of flight cat changes
could be off by +/- 3 hours, with a 20% chance of no cigs tonight.

&&

.MARINE...19/1124 AM.

***HAZARDOUS SEAS THURSDAY THROUGH SATURDAY***

High confidence in prolonged upper-end Gale Force northwest winds
beyond 20 miles from shore late this afternoon through Saturday
night. Moderate confidence in gusts of 30 to 35 knots impacting
the nearshore Central Coast waters and western Santa Barbara
Channel each afternoon and evening during this stretch. All waters
will see building and hazardously steep short period seas. Small
craft should stay in safe harbor, especially in the afternoon and
evening hours.

High confidence in lowering winds and subsiding seas for the first
half of next week, with abnormally large high tides each evening.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
CA...Wind Advisory remains in effect until 9 PM PDT Friday for
      zones 340-341-346-347. (See LAXNPWLOX).
     Wind Advisory remains in effect until 3 AM PDT Saturday for
      zones 342-343-349-351-379-381>383. (See LAXNPWLOX).
     Wind Advisory now in effect until 3 AM PDT Saturday for zone
      378. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect until 3 PM PDT this afternoon
      for zones 645-673-676. (See LAXMWWLOX).
     Gale Warning in effect until 3 AM PDT Friday for zone 645.
      (See LAXMWWLOX).
     Small Craft Advisory in effect until 6 PM PDT this evening
      for zone 650. (See LAXMWWLOX).
     Gale Warning in effect from 6 PM this evening to midnight PDT
      tonight for zone 650. (See LAXMWWLOX).
     Gale Warning in effect until 3 AM PDT Sunday for zones
      670-673-676. (See LAXMWWLOX).

&&

$$

PUBLIC...Sirard
AVIATION...Lund
MARINE...RK/Lund
SYNOPSIS...MW/Sirard

weather.gov/losangeles

Experimental Graphical Hazardous Weather Outlook at:
https://www.weather.gov/erh/ghwo?wfo=lox
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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