CDUS46 KMTR 050045

CLISFO



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA

545 PM PDT MON MAY 04 2026



...................................



...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 4 2026...

VALID TODAY AS OF 0500 PM LOCAL TIME.



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1927 TO 2026





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

...................................................................

TEMPERATURE (F)                                                          

 TODAY                                                               

  MAXIMUM         64   1:54 PM  84    2011  67     -3       65        

                                      2013                           

  MINIMUM         54   5:57 AM  40    1950  51      3       49        

                                      1952                           

  AVERAGE         59                        59      0       57     



PRECIPITATION (IN)                                                    

  TODAY            0.00          0.95 2024   0.02  -0.02     0.00     

  MONTH TO DATE    0.03                      0.08  -0.05     0.01     

  SINCE OCT 1     19.30                     18.99   0.31    16.01     

  SINCE JAN 1     10.45                     12.02  -1.57     7.45     



SNOWFALL (IN)                                                              

  TODAY           MM             0.0                                  

  MONTH TO DATE    T                                                  

  SINCE MAR 1      T                                                  

  SINCE JUL 1      T                                                  

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            6                         6      0        8        

  MONTH TO DATE   24                        27     -3       34        

  SINCE MAR 1    297                       557   -260      588        

  SINCE JUL 1   1645                      2236   -591     2121        



 COOLING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE MAR 1     36                         6     30        3        

  SINCE JAN 1     37                         6     31        3        

...................................................................





WIND (MPH)                                                            

  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (270)       

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)       

  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)       

  AVERAGE WIND SPEED     6.4                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.7                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    83           6:00 AM                                      

 LOWEST     54           2:00 PM                                      

 AVERAGE    69                                                        



..........................................................





THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   67        91      1987                      

 MINIMUM TEMPERATURE (F)   51        41      1965                      





SUNRISE AND SUNSET                                                    

MAY  4 2026...........SUNRISE   6:11 AM PDT   SUNSET   8:03 PM PDT     

MAY  5 2026...........SUNRISE   6:09 AM PDT   SUNSET   8:04 PM PDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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