262  
CDUS46 KSTO 210032  
CLIMOD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
532 PM PDT SAT SEP 20 2025  
   
...............................
 
 
   
..THE MODESTO CA CLIMATE SUMMARY FOR SEPTEMBER 20 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 90 MM 104 1939 88 2 88  
MINIMUM 65 MM 43 1965 58 7 57  
AVERAGE 78 73 5 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 2005 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 0.00  
SINCE OCT 1 8.79 12.23 -3.44 17.52  
SINCE JAN 1 5.15 8.40 -3.25 13.77  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 0 0 0 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
TODAY 13 8 5 8  
MONTH TO DATE 235 199 36 238  
SINCE SEP 1 235 199 36 238  
SINCE JAN 1 1587 1476 111 1885    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 34 400 PM  
AVERAGE 56  
   
......................................................
 
 
THE MODESTO CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 1939  
MINIMUM TEMPERATURE (F) 58 45 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 650 AM PDT SUNSET 703 PM PDT  
SEPTEMBER 21 2025.....SUNRISE 651 AM PDT SUNSET 702 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page