532
FXUS66 KSGX 080738
AFDSGX

Area Forecast Discussion
National Weather Service San Diego CA
1238 AM PDT Mon Jun 8 2026

.SYNOPSIS...
High temperatures a few to around 5 degrees below average for
today will warm to 5 to 10 degrees above average for inland areas
for the middle and latter part of the week. Widespread moderate
HeatRisk is expected for Thursday through Saturday for the deserts
with Saturday the hottest day. The marine layer will become
shallower this week with night and morning coastal low clouds only
spreading inland into the western valleys for the latter half of
the week.

&&

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

.SHORT TERM (Today through Wednesday)...
The trough of low pressure over the western states will begin to
weaken and move inland tonight and Tuesday with high pressure over
the eastern Pacific beginning to slowly expand into southern
California by Wednesday.

High temperatures will warm a few degrees today, but with high
temperatures still a few to around 5 degrees below average. High
temperatures for today will range from around 70 near the coast to
the 80s for the Inland Empire with the lower deserts around 100.

There will be greater warming on Tuesday for the coast and
valleys, and on Wednesday for the mountains and deserts. High
temperatures on Wednesday will be a few degrees above average for
coastal areas to 5 to 10 degrees above average for the mountains,
deserts, and far inland valleys. High temperatures on Wednesday
will range from the lower 70s near the coast to the mid 80s to mid
90s for the Inland Empire with 104 to 108 for the lower deserts.

The marine layer is still around 2500 feet deep with coastal low
clouds expected to reach portions of the inland valleys early this
morning. The marine layer will gradually decrease in depth for
Tuesday and Wednesday, but with night and morning coastal low
clouds still spreading inland into portions of the western
valleys.

&&

.LONG TERM (Thursday through Sunday)...
The warming trend will continue on Thursday with high temperatures
a few degrees warmer than Wednesday. Not much change is expected
for Friday and Saturday followed by a few degrees of cooling on
Sunday. High temperatures on Friday and Saturday will range from a
few to around 5 degrees above average for coastal areas to 5 to 10
degrees above average for inland areas. High temperatures for
Friday and Saturday will range from the lower to mid 70s near the
coast to the upper 80s to mid 90s for the Inland Empire with the
lower deserts around 110.

The currently forecast temperatures would not be recording
setting. However, there will be moderate heat risk for portions of
the deserts and more inland portions of the Inland Empire as
early Wednesday. More widespread moderate HeatRisk is expect for
those areas for Thursday through Saturday, peaking on Saturday for
the lower deserts.

&&

.AVIATION...
080500Z...Coast/Valleys...Areas of low clouds based 1800-2400 ft MSL
have developed over coastal areas and western valleys this evening.
Clouds will become more uniform and spread further inland overnight,
filling most if not all of the coastal basin by 11-12z. Bases may
lower by a few hundred feet overnight. Clouds clear to the coast 16-
19z, though BKN cigs may hang around KSAN until 20z. Low clouds
struggle to reform over coastal areas Monday evening. Any BKN cigs
are expected to be patchy in coverage with lower bases than tonight
(1200-1800 ft MSL).


Mountains/Deserts...VFR with SKC. Gusts 20-35 knots along desert
slopes and locally into deserts. Gusts are exceeding 40 kts through
the Banning Pass. Winds diminish gradually late this evening into
tonight. MOD up/downdrafts and pockets of LLWS in lee (north and
east) of mountains. Similar winds Monday afternoon and evening after
22z.

&&

.MARINE...
No hazardous marine conditions are expected through Thursday
afternoon.

&&

.BEACHES...
Surf and rip current activity to remain elevated (3-6 feet) through
Monday afternoon. Surf increases Monday evening as a fresh 3-4 foot
swell at 18-19 seconds moves into the region. Surf peaks Tues-Wed
with sets to 5-8 feet likely at south-facing beaches, then gradually
diminishes late this week. See the Beach Hazards Statement for more
details.

&&

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

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement from late Monday night through Thursday
     afternoon for Orange County Coastal Areas-San Diego County
     Coastal Areas.

PZ...None.

&&

$$

PUBLIC...17
AVIATION/MARINE/BEACHES...KW

NWS San Diego (SGX) Office