556  
CDUS46 KSTO 220027  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
527 PM PDT TUE OCT 21 2025  
   
...............................  
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR OCTOBER 21 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1931 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 MM 91 1991 77 5 82  
MINIMUM 50 MM 31 1949 50 0 48  
AVERAGE 66 64 2 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.87 1959 0.02 -0.02 0.00  
MONTH TO DATE 1.18 0.29 0.89 T  
SINCE OCT 1 1.18 0.29 0.89 T  
SINCE JAN 1 6.53 8.73 -2.20 13.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 33 28 5 4  
SINCE SEP 1 33 32 1 5  
SINCE JUL 1 33 32 1 5  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 36 69 -33 194  
SINCE SEP 1 375 338 37 548  
SINCE JAN 1 1727 1615 112 2195    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 32 300 PM  
AVERAGE 64  
   
......................................................  
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1939  
MINIMUM TEMPERATURE (F) 50 35 1949  
 
SUNRISE AND SUNSET  
OCTOBER 21 2025.......SUNRISE 718 AM PDT SUNSET 618 PM PDT  
OCTOBER 22 2025.......SUNRISE 719 AM PDT SUNSET 617 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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