549  
CDUS41 KLWX 172126  
CLIDMH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
426 PM EST WED DEC 17 2025  
   
...............................
 
 
   
..THE BALTIMORE INNER HARBOR CLIMATE SUMMARY FOR DECEMBER 17 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1950 TO 2025  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE  
VALUE (LST) VALUE FROM  
NORMAL    
................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 49 3:59 PM 48 1  
MINIMUM 28 2:45 AM 34 -6  
AVERAGE 39 41 -2  
 
PRECIPITATION (IN)  
TODAY 0.00 0.12 -0.12  
MONTH TO DATE 1.20 2.05 -0.85  
 
DEGREE DAYS  
HEATING  
TODAY 26  
 
COOLING  
TODAY 0    
................................................
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63  
LOWEST 46  
AVERAGE 55  
   
......................................................
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2025......SUNRISE 7:20 AM EST SUNSET 4:45 PM EST  
DECEMBER 18 2025......SUNRISE 7:21 AM EST SUNSET 4:45 PM EST  
 
- 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 VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page