384  
FPMY50 PGUM 061804  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
404 AM CHST TUE OCT 7 2025  
 
GUZ001-MPZ001-070815-  
GUAM-ROTA-  
404 AM CHST TUE OCT 7 2025  
   
TODAY
 
CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.  
LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN THE  
AFTERNOON. HIGHS NEAR 85. CHANCE OF SHOWERS 70 PERCENT.   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHWEST WINDS 10 TO 15 MPH. LOWS AROUND 77. CHANCE  
OF SHOWERS 40 PERCENT.   
WEDNESDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
SOUTH WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT. HIGHS  
AROUND 87. CHANCE OF SHOWERS 20 PERCENT.   
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 77. CHANCE OF SHOWERS 20 PERCENT.   
THURSDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
LIGHT AND VARIABLE WINDS BECOMING NORTHEAST AROUND 10 MPH IN THE  
AFTERNOON. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT.   
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.   
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.   
SATURDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS  
IN THE UPPER 80S.   
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.   
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 70S.   
COLUMBUS DAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE UPPER 80S.  
 

 
 
MPZ002-003-070815-  
TINIAN-SAIPAN-  
404 AM CHST TUE OCT 7 2025  
   
TODAY
 
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 15 TO 25 MPH. HIGHS NEAR 86. CHANCE  
OF SHOWERS 40 PERCENT.   
TONIGHT
 
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTH WINDS 15 TO 25 MPH. LOWS AROUND 79. CHANCE OF  
SHOWERS 30 PERCENT.   
WEDNESDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS. SOUTH WINDS 10 TO  
15 MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 20 PERCENT.   
WEDNESDAY NIGHT AND THURSDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
LIGHT AND VARIABLE WINDS. LOWS AROUND 79. HIGHS NEAR 88. CHANCE OF  
SHOWERS 20 PERCENT.   
THURSDAY NIGHT THROUGH COLUMBUS DAY
 
PARTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE  
UPPER 80S.  
 

 
 
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