830  
FPMY50 PGUM 300541  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
341 PM CHST THU JUL 30 2026  
 
GUZ001-302100-  
GUAM-  
341 PM CHST THU JUL 30 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LIGHT AND VARIABLE  
WINDS. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.   
FRIDAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. SOUTHWEST WINDS 10  
TO 15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.   
FRIDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. WEST WINDS  
10 TO 15 MPH. LOWS AROUND 78. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS.  
WEST WINDS 15 TO 20 MPH. HIGHS AROUND 87. LOWS AROUND 77. CHANCE OF  
SHOWERS 40 PERCENT.   
SUNDAY  
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 20 TO 25 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 40 PERCENT.    
SUNDAY NIGHT THROUGH THURSDAY  
BREEZY. MOSTLY CLOUDY WITH A 40  
PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 
 
 
MPZ001>003-302100-  
ROTA-TINIAN-SAIPAN-  
341 PM CHST THU JUL 30 2026  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LIGHT AND VARIABLE  
WINDS. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.    
FRIDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND VARIABLE  
WINDS. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.   
FRIDAY NIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS BECOMING MOSTLY  
CLOUDY WITH SCATTERED SHOWERS IN THE AFTERNOON. LIGHT AND VARIABLE  
WINDS BECOMING WEST WINDS 10 TO 15 MPH IN THE AFTERNOON. HIGHS AROUND  
87. CHANCE OF SHOWERS 30 PERCENT.   
SATURDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE OF  
SHOWERS 40 PERCENT.   
SUNDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 15 TO 20 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 40 PERCENT.    
SUNDAY NIGHT THROUGH THURSDAY  
BREEZY. MOSTLY CLOUDY WITH A 40  
PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 
 
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