San Diego Forecast Discussion
320
FXUS66 KSGX 150951
AFDSGX
Area Forecast Discussion
National Weather Service San Diego CA
251 AM PDT Mon Jun 15 2026
.SYNOPSIS...
Above average high temperatures early this week will cool to below
average during the latter half of the week into next week. Night
and morning coastal low clouds will spread farther into the
valleys during the latter half of the week as the marine layer
slowly deepens.
&&
.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...
...Aviation Discussion updated below...
.SHORT TERM (Today through Wednesday)...
Through Tuesday, high temperatures will remain a few degrees
above average near the coast to 5 to 10 degrees above average for
the deserts. A cooling trend will begin on Wednesday with high
temperatures cooling a few degrees.
High temperatures through Tuesday will range from the lower to mid
70s near the coast to the mid 80s to mid 90s for the Inland
Empire with 108 to 112 for the lower deserts. High temperatures on
Wednesday will range from the lower 70s near the coast to the 80s
and lower 90s for the Inland Empire with 105 to 110 for the lower
deserts.
Night and morning coastal low clouds will spread into the western
valleys at times through Tuesday, then a little farther into the
valleys on early Wednesday.
&&
.LONG TERM (Thursday through Sunday)...
A weak low pressure system will develop off the California coast
on Thursday, then move slowly eastward and into California on
Saturday before beginning to slowly weaken on Sunday.
A gradual cooling trend will continue through Saturday with
Saturday high temperatures as much as 5 to 10 degrees below
average for the valleys and coastal slopes of the mountains. High
temperatures on Saturday will range from around 70 near the coast
to the upper 70s to mid 80s for the Inland Empire with 100 to 104
for the lower deserts. High temperatures on Sunday will warm
slightly. Night and morning coastal low clouds will spread farther
into the valleys as the marine layer slowly deepens into Saturday.
&&
.AVIATION...
151000Z...Coast/Western Valleys...Patchy low clouds 1000-1500 ft MSL
will continue to increase in coverage this morning, but will remain
patchy and intermittent to a certain extent. Patchy vis 0-5SM will
be in valleys east of I-15 in SD County and elevated coastal terrain
where cigs reach. Low clouds mostly scatter out 15-17Z this morning,
but localized patches will intermittently linger along the immediate
coast. Low clouds with similar bases will move inland again after
03Z, though like this evening clouds will be patchy and
intermittent.
Mountains/Deserts...VFR conditions are expected through the TAF
period with periods of mid level clouds AOA 15000ft MSL. Breezy
winds expected over the desert slopes and through the San Gorgonio
Pass into the Coachella Valley Mon afternoon and evening, with local
gusts 25-30 kt.
&&
.MARINE...
No hazardous marine conditions are expected through Friday.
&&
.BEACHES...
Elevated surf and strong rip currents continue at area beaches
through Friday. Surf of 3-6 feet and sets to 7 feet are expected at
south-facing beaches. Surf for southern San Diego County will be
slightly lower, but hazardous swimming conditions with high rip
current and longshore current risk will still exist. 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 through Friday evening for Orange County
Coastal Areas-San Diego County Coastal Areas.
PZ...None.
&&
$$
PUBLIC...17
AVIATION/MARINE/BEACHES...CSP
NWS SGX Office Area Forecast Discussion
