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Temecula, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Temecula CA
National Weather Service Forecast for: Temecula CA
Issued by: National Weather Service San Diego, CA
Updated: 1:01 pm PDT Jun 23, 2025
 
Tonight

Tonight: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 51. Southwest wind 5 to 10 mph becoming light and variable  in the evening.
Partly Cloudy
then Patchy
Fog
Tuesday

Tuesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 77. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Patchy Fog
then Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 83. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 85.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear

Friday

Friday: Sunny, with a high near 86.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 58.
Mostly Clear

Lo 51 °F Hi 77 °F Lo 53 °F Hi 83 °F Lo 56 °F Hi 85 °F Lo 57 °F Hi 86 °F Lo 58 °F

 

Tonight
 
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 51. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
 
Patchy fog before 8am. Otherwise, sunny, with a high near 77. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
 
Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 83. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
 
Mostly clear, with a low around 56. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
 
Sunny, with a high near 85.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Sunny, with a high near 86.
Friday Night
 
Mostly clear, with a low around 58.
Saturday
 
Sunny, with a high near 87.
Saturday Night
 
Mostly clear, with a low around 60.
Sunday
 
Sunny, with a high near 89.
Sunday Night
 
Mostly clear, with a low around 60.
Monday
 
Patchy fog. Otherwise, sunny, with a high near 88.

 

Forecast from NOAA-NWS for Temecula CA.

Weather Forecast Discussion
600
FXUS66 KSGX 232027
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
127 PM PDT Mon Jun 23 2025

.SYNOPSIS...
A few degrees cooler today with below average temperatures. Tuesday
will be a few degrees warmer with gradual warming trend continuing
through the end of the week. The marine layer will bring night and
morning low clouds to coastal areas through the week. Low clouds are
expected to reach into the valleys at times, most likely during the
first half of the week.


&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

A weak coastal eddy continues to spin in the California Bight. A few
patches of low clouds remain along the immediate coast as of 1 PM.
High resolution model guidance is indicating the possibility of
patchy drizzle developing tonight into Tuesday morning, mainly along
the coast. The marine layer is expected to remain 2000 to 2500 ft
deep through Wednesday while we remain under cyclonic flow aloft as
a trough moves across the West Coast.

A few degrees of warming will occur on Tuesday, but highs will
remain about 5 to 10 degrees below average. An additional 4 to 8
degrees of warming is expected for inland areas on Wednesday. This
will bring conditions back to within 5 degrees below normal for
Wednesday.

An area of high pressure will build in from the southeast Thursday
into the weekend. Current ensemble guidance is showing the ridge
axis setting up mainly over the low deserts. This would bring more
noticeable warming there Friday through Monday. Chances of the low
deserts exceeding 110 degrees are highest on Sunday and Monday at 60
to 80 percent. There are some indications that the position of the
high pressure would allow for a moisture surge from the southeast
into the low deserts over the weekend. If that were to occur, that
would keep high temperature readings lower. Conditions are expected
to warm up west of the mountains, with temperatures in the valleys
reaching into the 90s. Chances of the Inland Empire exceeding 100
degrees on Sunday and Monday are mostly 20 to 30 percent, locally up
to 50 percent in the eastern portion of the Inland Empire. The
building high pressure aloft should keep the marine layer shallower
and more confined to coastal areas.

&&

.AVIATION...
222100....Coast/Valleys/Coastal Mountain Slopes...Mostly VFR
conditions this afternoon. Low clouds with bases 1200-2500 feet MSL
push inland again around 03-06z Tuesday, filling the entire coastal
basin by 10z. -DZ and BR possible throughout coastal basin, highest
likelihood from 11-15z Tuesday morning. Slight (30%) that VIS could
down to 3SM in parts of the Inland Empire as a result of -DZ/BR.
Otherwise, low clouds retreat to the coast 16-19z.

.Mountains/Deserts...Clear skies and largely unrestricted VIS
through Tuesday afternoon. Wind gusts 25-35 kts this afternoon and
evening with isolated gusts to 45 kts through mountain passes. Mod
up/downdrafts near mountain ridges. Stronger gusts begin to subside
by 04-06z Tuesday.

&&

.MARINE...
No hazardous marine conditions are expected through Friday.

&&

.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.


&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...None.

&&

$$

PUBLIC...CO
AVIATION/MARINE...Westerink
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather








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