582  
FPMY50 PGUM 180107 CCA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...CORRECTED  
NATIONAL WEATHER SERVICE TIYAN GU  
1107 AM CHST SAT OCT 18 2025  
 
GUZ001-MPZ001>003-180815-  
GUAM-ROTA-TINIAN-SAIPAN-  
1107 AM CHST SAT OCT 18 2025  
 
CORRECTED FOR TYPO IN TODAY'S FORECAST.  
   
TODAY
 
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 15 TO 25 MPH WITH OCCASIONAL GUSTS TO 35  
MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 40 PERCENT.   
TONIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15 TO 20  
MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.   
SUNDAY
 
PARTLY SUNNY WITH ISOLATED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT.   
SUNDAY NIGHT AND MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. EAST  
WINDS 10 TO 15 MPH. LOWS AROUND 78. HIGHS AROUND 86. CHANCE OF  
SHOWERS 40 PERCENT.   
MONDAY NIGHT THROUGH THURSDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.   
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN  
THE MID 80S. CHANCE OF SHOWERS 30 PERCENT.  
 

 
 
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