278  
CDGM40 PGUM 010630  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
430 PM CHST THU OCT 01 2026  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 10:29 AM 91 1984 87 -3 88  
1987  
1991  
MINIMUM 78 12:53 PM 72 1945 76 2 79  
AVERAGE 81 82 -1 84  
 
PRECIPITATION (IN)  
TODAY 0.18 3.76 1993 0.48 -0.30 0.01  
MONTH TO DATE 0.18 0.48 -0.30 0.01  
SINCE SEP 1 16.86 15.65 1.21 12.35  
SINCE JAN 1 108.89 72.28 36.61 67.63  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 17 -1 18  
MONTH TO DATE 16 17 -1 18  
SINCE SEP 1 527 519 8 507  
SINCE JAN 1 4521 4647 -126 4636    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 27 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1:00 PM  
LOWEST 82 9:00 AM  
AVERAGE 88  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1986  
1987  
2001  
MINIMUM TEMPERATURE (F) 76 70 1950  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 6:10 AM CHST SUNSET 6:11 PM CHST  
OCTOBER 2 2026.......SUNRISE 6:10 AM CHST SUNSET 6:10 PM CHST  
 
- 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 GU Page Main Text Page