504  
FPMY50 PGUM 030530  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
330 PM CHST FRI OCT 3 2025  
 
GUZ001-MPZ001>003-032100-  
GUAM-ROTA-TINIAN-SAIPAN-  
330 PM CHST FRI OCT 3 2025  
   
TONIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTH WIND 10 TO 15  
MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
SCATTERED ISLAND SHOWERS IN THE AFTERNOON GUAM. LIGHT AND VARIABLE  
WINDS. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT FOR CNMI, AND 30  
PERCENT FOR GUAM.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOWS AROUND 78. CHANCE OF  
SHOWERS 20 PERCENT.    
SUNDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
SCATTERED ISLAND SHOWERS IN THE AFTERNOON GUAM. LIGHT AND VARIABLE  
WINDS. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT FOR CNMI, AND 30  
PERCENT FOR GUAM.   
SUNDAY NIGHT  
MOSTLY 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. HIGHS AROUND 87. CHANCE OF  
SHOWERS 30 PERCENT.    
MONDAY NIGHT THROUGH TUESDAY NIGHT  
MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.    
WEDNESDAY THROUGH THURSDAY NIGHT  
PARTLY SUNNY WITH A 20 PERCENT  
CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN  
THE UPPER 70S.   
FRIDAY  
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. HIGHS IN THE UPPER 80S. CHANCE OF SHOWERS 30  
PERCENT.  
 
 
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