649  
FPMY50 PGUM 181757  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
357 AM CHST SUN OCT 19 2025  
 
GUZ001-MPZ001>003-190815-  
GUAM-ROTA-TINIAN-SAIPAN-  
357 AM CHST SUN OCT 19 2025  
   
TODAY  
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS. EAST WINDS  
15 TO 25 MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 30 PERCENT.   
TONIGHT  
BREEZY IN THE EVENING. MOSTLY CLOUDY WITH SCATTERED  
SHOWERS. EAST WINDS 15 TO 25 MPH DECREASING TO AROUND 10 MPH AFTER  
MIDNIGHT. LOWS AROUND 79. CHANCE OF SHOWERS 40 PERCENT.   
MONDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS NEAR 86. CHANCE OF SHOWERS 40 PERCENT.   
MONDAY NIGHT  
MOSTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS  
10 TO 15 MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.   
TUESDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS. SOUTHEAST WINDS  
10 TO 15 MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 30 PERCENT.   
TUESDAY NIGHT THROUGH THURSDAY  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.   
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS  
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.   
FRIDAY THROUGH SATURDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.  
 
 
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