875  
FPMY50 PGUM 121749  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
349 AM CHST MON JUL 13 2026  
 
GUZ001-MPZ001>003-130830-  
GUAM-ROTA-TINIAN-SAIPAN-  
349 AM CHST MON JUL 13 2026  
   
TODAY
 
CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.  
SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 85. CHANCE OF SHOWERS  
70 PERCENT.   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.   
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS  
AROUND 88. LOWS AROUND 77. CHANCE OF SHOWERS 50 PERCENT.   
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS AROUND 88. CHANCE  
OF SHOWERS 40 PERCENT.   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. LOWS  
IN THE MID 70S. CHANCE OF SHOWERS 50 PERCENT.   
THURSDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. HIGHS AROUND 88. CHANCE  
OF SHOWERS 30 PERCENT.   
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. CHANCE OF  
SHOWERS 40 PERCENT.   
FRIDAY THROUGH SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE  
MID 70S. CHANCE OF SHOWERS 30 PERCENT.   
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.  
 

 
 
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