983  
FPMY50 PGUM 091757  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
357 AM CHST THU SEP 10 2026  
 
GUZ001-MPZ001>003-100815-  
GUAM-ROTA-TINIAN-SAIPAN-  
357 AM CHST THU SEP 10 2026  
   
TODAY  
PARTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, THEN SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. NORTHEAST WINDS  
10 TO 15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 40 PERCENT.   
TONIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST WINDS  
AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS AROUND 77. CHANCE  
OF SHOWERS 20 PERCENT.   
FRIDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY SUNNY.  
ISOLATED SHOWERS, EXCEPT SCATTERED AFTERNOON ISLAND EFFECT SHOWERS  
FOR GUAM. LIGHT AND VARIABLE WINDS. HIGHS AROUND 89. CHANCE OF  
SHOWERS 20 PERCENT, EXCEPT 30 PERCENT FOR GUAM.   
FRIDAY NIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.   
SATURDAY  
PARTLY CLOUDY WITH ISOLATED LIGHT SHOWERS, EXCEPT MOSTLY  
CLOUDY WITH SCATTERED ISLAND EFFECT SHOWERS IN THE AFTERNOON FOR  
GUAM. LIGHT AND VARIABLE WINDS. HIGHS AROUND 88. CHANCE OF SHOWERS 20  
PERCENT, EXCEPT 30 PERCENT FOR GUAM.   
SATURDAY NIGHT THROUGH TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.   
TUESDAY NIGHT AND WEDNESDAY  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 70S.  
HIGHS IN THE MID 80S.  
 
 
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