753  
FXUS66 KSGX 271911  
AFDSGX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1211 PM PDT FRI MAR 27 2026  
   
SYNOPSIS
 
 
WELL ABOVE AVERAGE TEMPERATURES WILL CONTINUE THROUGH THE WEEKEND.  
LOW CLOUDS WITH AREAS OF DENSE FOG ALONG THE COAST TONIGHT INTO  
SATURDAY MORNING, WITH LOW CLOUDS AND FOG LESS LIKELY LATE IN THE  
WEEKEND AND EARLY NEXT WEEK DUE TO WIDESPREAD HIGH CLOUD  
COVERAGE. COOLER, WINDIER, AND POTENTIALLY WETTER CONDITIONS  
POSSIBLE FOR THE MIDDLE OF NEXT WEEK.  
 

 
   
DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE
 
 
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO  
COUNTIES...  
 
HIGHS TODAY ARE ON TRACK TO BE A FEW DEGREES WARMER THAN YESTERDAY  
FOR MOST INLAND LOCATIONS, WITH CONTINUED WARMING FOR THE COAST AND  
VALLEYS INTO SATURDAY. THE HEAT WILL CONTINUE TO BE RECORD BREAKING  
FOR THIS TIME OF YEAR, WITH ADDITIONAL INLAND LOCATIONS AGAIN  
FORECAST TO BREAK OR TIE TEMPERATURE RECORDS THROUGH SUNDAY. THE  
LIST OF LOCATIONS THAT BROKE OR TIED THEIR DAILY HIGH OR LOW  
TEMPERATURE RECORDS YESTERDAY IS ON OUR WEATHER.GOV/SANDIEGO  
HOMEPAGE. HIGH TEMPERATURES WILL BE 10 TO 25 DEGREES ABOVE AVERAGE  
ACROSS THE AREA THROUGH SUNDAY.  
 
MARINE LAYER LOW CLOUDS WILL BE PRESENT TONIGHT INTO SATURDAY. AREAS  
OF DENSE FOG ARE POSSIBLE ALONG THE COAST AND OVER THE COASTAL  
WATERS. CHANCES OF DENSE FOG DECREASE FOR THE LATTER HALF OF THE  
WEEKEND INTO EARLY NEXT WEEK.  
 
A PATTERN CHANGE IS EXPECTED NEXT WEEK AS AN AREA OF LOW PRESSURE  
APPROACHES THE US WEST COAST. COOLER, CLOUDIER, AND WINDIER  
CONDITIONS ARE EXPECTED FOR THE MIDDLE OF THE WEEK. THERE  
REMAINS SOME UNCERTAINTY IN THE TIMING OF THE LOW'S PASSAGE, WITH  
MOST SOLUTIONS SHOWING THE LOW PASSING SOMETIME WEDNESDAY OR  
THURSDAY. BY FRIDAY ABOUT 50 PERCENT OF SOLUTIONS KEEP THE WEST  
COAST UNDER THE LOW'S INFLUENCE. THE LATEST FORECAST HAS THE  
COOLEST AND WINDIEST CONDITIONS WEDNESDAY AND THURSDAY.  
 
THE TRACK OF THE LOW CONTINUES TO TREND NORTH OF SOUTHERN  
CALIFORNIA, WHICH CONTINUES TO LIMIT HOW MUCH PRECIPITATION WILL  
FALL. ADDITIONALLY IF THE TRACK CONTINUES TO TREND NORTH, CHANCES OF  
RAIN FOR SAN DIEGO COUNTY WILL BECOME MORE LIMITED. THERE ARE STILL  
SOME SOLUTIONS SHOWING THE POTENTIAL FOR AT LEAST LIGHT  
PRECIPITATION AS EARLY AS TUESDAY NIGHT CONTINUING THROUGH AS LATE  
AS FRIDAY. CURRENT FORECAST HAS THE HIGHEST CHANCES (15-25 PERCENT)  
OF RAIN TUESDAY NIGHT INTO WEDNESDAY. WITH THE MORE NORTHERLY TRACK,  
FORECAST RAINFALL AMOUNTS HAVE DECREASED. NBM CHANCES OF RAINFALL  
TOTALS REACHING OR EXCEEDING 0.10" ARE 30 TO 40 PERCENT FOR THE  
COASTAL SLOPES OF THE MOUNTAINS AND PORTIONS OF THE INLAND EMPIRE  
AND ORANGE COUNTY. ELSEWHERE WEST OF THE MOUNTAINS CHANCES ARE 20 TO  
30 PERCENT WITH 15 PERCENT OR LESS CHANCE IN THE DESERTS. WHENEVER  
THE TROUGH DECIDES TO PROGRESS EASTWARD LATER IN THE WEEK (THU-FRI),  
WARMER AND DRIER WEATHER WILL FOLLOW WITH HIGHS RETURNING TO  
SLIGHTLY ABOVE NORMAL.  
 

 
   
AVIATION
 
 
271740Z...LOW CLOUDS HAVE CLEARED THE COAST, RETURNING LATE THIS  
EVENING AROUND 06Z-07Z SATURDAY. BASES WILL BE SLIGHTLY LOWER AND  
PATCHY IN NATURE WITH INTERMITTENT HEIGHTS AROUND 100-700FT MSL AND  
REDUCED VIS 0-5SM. LOWER VISIBILITIES WILL BE LOCATED ON HIGHER  
COASTAL TERRAIN. LOW CLOUDS AND VISIBILITIES WILL BEGIN CLEARING  
INLAND TO THE COAST AFTER 16Z-18Z SATURDAY.  
 
OTHERWISE, MOSTLY CLEAR SKIES AND VFR CONDITIONS THROUGH THE TAF  
PERIOD.  
 

 
   
MARINE
 
NO HAZARDOUS MARINE CONDITIONS EXPECTED THROUGH  
WEDNESDAY.  
 

 
   
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...VILLAFANE  
 
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