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Walnut Park, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Walnut Park CA
National Weather Service Forecast for: Walnut Park CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Updated: 1:34 pm PDT Jul 3, 2025
 
Overnight

Overnight: Cloudy, with a low around 65. South wind around 5 mph becoming calm.
Cloudy
Independence
Day
Independence Day: Cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Gradual
Clearing
Friday
Night
Friday Night: Increasing clouds, with a low around 65. West southwest wind 5 to 10 mph becoming light and variable  in the evening.
Increasing
Clouds
Saturday

Saturday: Cloudy through mid morning, then gradual clearing, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Gradual
Clearing
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 64. West southwest wind 5 to 10 mph becoming light south  in the evening.
Mostly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 84.
Mostly Sunny
Sunday
Night
Sunday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 64.
Patchy Fog
Monday

Monday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 83.
Patchy Fog
then Sunny
Monday
Night
Monday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 65.
Patchy Fog
Lo 65 °F Hi 81 °F Lo 65 °F Hi 85 °F Lo 64 °F Hi 84 °F Lo 64 °F Hi 83 °F Lo 65 °F

Air Quality Alert
 

Overnight
 
Cloudy, with a low around 65. South wind around 5 mph becoming calm.
Independence Day
 
Cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
 
Increasing clouds, with a low around 65. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
 
Cloudy through mid morning, then gradual clearing, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
 
Mostly cloudy, with a low around 64. West southwest wind 5 to 10 mph becoming light south in the evening.
Sunday
 
Mostly sunny, with a high near 84.
Sunday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64.
Monday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83.
Monday Night
 
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65.
Tuesday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 88.
Tuesday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 67.
Wednesday
 
Patchy fog. Otherwise, mostly sunny, with a high near 91.
Wednesday Night
 
Patchy fog. Otherwise, mostly cloudy, with a low around 68.
Thursday
 
Patchy fog. Otherwise, mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Walnut Park CA.

Weather Forecast Discussion
891
FXUS66 KLOX 040339
AFDLOX

Area Forecast Discussion
National Weather Service Los Angeles/Oxnard CA
839 PM PDT Thu Jul 3 2025

.SYNOPSIS...03/733 PM.

Near normal weather conditions are expected through this weekend
with continued night to morning low clouds and fog over the coast
and valleys. Much warmer temperatures are expected by the middle
of next week, especially inland.

&&

.SHORT TERM (THU-SUN)...03/838 PM.

***UPDATE***

More of the same cool coasts and warm interior for today, and
temperatures trended 4-10 degrees below normal, except for the
Antelope Valley and Cuyama Valley where values came in near normal
to a bit warmer. Smoke from the wildfire near the Cuyama Valley may
have lead to warmer overnight temperatures, and warmer daytime
valleys. May need to adjust values for tomorrow based on how much
smoke lingers overnight. A trough is expected to move through
tonight, which should lead to cooler temperatures and more limited
marine layer clouds for Friday into Friday night. The current
forecast looks on track in general, with no significant changes
needed at the time.

***From Previous Discussion***

Below normal temperatures will continue through the weekend as
weak troughing persists along the West Coast. High and low
temperatures will remain fairly static through that period. The
marine layer will be a consistent feature as well during the night
and morning hours across coast and most coastal valleys, and may
linger at some beaches well into the afternoon, especially north
of Pt Conception. Not seeing to much in the way of winds except
the usual gusty winds into the Antelope Valley and low grade
Sundowners across southwest Santa Barbara County. Some areas may
get some smoke impacts from the Madre Fire in southeast SLO
County over the coming days.

.LONG TERM (MON-THU)...03/220 PM.

Very little change in overall weather conditions expected through
at least Monday as weak troughing continues. A high pressure ridge
over Arizona will slowly start to expand west into California Tuesday
into Wednesday and push the West Coast trough farther north.
Virtually all of the ensemble solutions are showing this pattern
evolving so confidence is higher than usual for an event that is
almost a week away. Models are indicating a 600dam high across the
4 corners region with light southeast flow aloft. There is
expected to be an active tropical pattern across Mexico during
this time as well so there is a possibility of monsoon moisture
entering the region in addition to the heat. Temperatures are
expected to climb well into the triple digits across the interior
and parts of the warmest coastal valleys as well so heat
advisories and/or warnings are a possibility as well. However,
models still maintain a moderate onshore flow during this period
so coastal area temperatures will be much more moderate with a
shallow marine inversion in place.

&&

.AVIATION...04/0248Z.

At 2343Z at KLAX, the marine layer was 1400 ft deep. The top of
the inversion was around 3700 feet with a temperature of 20 C.

High confidence in VFR TAFs for desert airfields (KWJF and KPMD).

Moderate confidence in remaining TAFs. There is a 30% chance VFR
conds prevail at KPRB. Timing of CIG/VSBY restrictions may be off
by 1-3 hours and flight minimums inaccurate by one category. FU
from the Madre Fire may be present at times around KSMX, and may
reach upper levels for KWJF and KPMD, but VSBYs should remain
greater than 6SM.

KLAX...Moderate confidence in 00Z TAF. Arrival of CIGs may be off
by 2 hours, and minimum cig height could be inaccurate by (+/-
300 ft). East wind component is expected to be 4 kt or less.

KBUR...Moderate confidence in 00Z TAF. There is a 20% chance of
no low clouds arrive tonight.

&&

.MARINE...03/745 PM.

Small Craft Advisory (SCA) winds are likely across the Outer
Waters much of the time through the 4th of July Weekend. SCA winds
are also likely each afternoon and evening for the nearshore
waters along the Central Coast Friday through the weekend. Local
Gale Force wind gusts are possible at times through Sunday, with
the best chances across PZZ670 (60%) and around the western
Channel Islands (20%) Friday afternoon/eve. Peak sea heights are
expected to range from 8 to 10 feet through the weekend.

Inside the southern California bight, there is a moderate
(30-50%) chance of SCA level winds each afternoon and evening
Friday through the weekend across the Santa Barbara Channel.
Most likely across the western portion. Local gusts up to 20 kts
may occur near Point Dume, and into the San Pedro Channel during
the aforementioned time.

Patchy dense fog may affect the coastal waters, especially north
of Point Conception overnight and in the morning hours through
this weekend.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement in effect through Saturday evening
      for zones 87-354-362-366. (See LAXCFWLOX).
PZ...Small Craft Advisory in effect until 3 AM PDT Sunday for zone
      670. (See LAXMWWLOX).
     Small Craft Advisory in effect until 3 AM PDT Saturday for
      zones 673-676. (See LAXMWWLOX).

&&

$$

PUBLIC...Phillips/MW
AVIATION...Phillips/Black
MARINE...Black/Lewis/Ciliberti
SYNOPSIS...MW/Ciliberti

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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