133  
FPMY50 PGUM 050508  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
308 PM CHST FRI SEP 5 2025  
 
GUZ001-MPZ001>003-052115-  
GUAM-ROTA-TINIAN-SAIPAN-  
308 PM CHST FRI SEP 5 2025  
   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.    
SATURDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOWS AROUND 79. CHANCE OF  
SHOWERS 20 PERCENT.   
SUNDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 87. CHANCE OF SHOWERS  
20 PERCENT.   
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.    
MONDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING EAST AROUND 10 MPH  
IN THE AFTERNOON. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.    
MONDAY NIGHT THROUGH TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A  
30 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.    
WEDNESDAY THROUGH THURSDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT  
CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN  
THE UPPER 70S.    
FRIDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS IN  
THE MID 80S.  
 

 
 
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