489  
FPMY50 PGUM 090508  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
308 PM CHST TUE JUN 9 2026  
 
GUZ001-MPZ001-092200-  
GUAM-ROTA-  
308 PM CHST TUE JUN 9 2026  
   
TONIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.  
ISOLATED SHOWERS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 10 PERCENT.    
WEDNESDAY THROUGH THURSDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED  
SHOWERS. EAST WINDS 10 TO 15 MPH. HIGHS AROUND 88. LOWS AROUND 78.  
CHANCE OF SHOWERS 20 PERCENT.    
FRIDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF LIGHT SHOWERS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 88.    
FRIDAY NIGHT THROUGH TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
MPZ002-003-092200-  
TINIAN-SAIPAN-  
308 PM CHST TUE JUN 9 2026  
   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH ISOLATED  
SHOWERS AROUND MIDNIGHT. EAST WINDS AROUND 10 MPH IN THE EVENING  
BECOMING LIGHT. LOWS AROUND 79. CHANCE OF SHOWERS 30 PERCENT.    
WEDNESDAY AND WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED  
SHOWERS. EAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. LOWS AROUND 78.  
CHANCE OF SHOWERS 20 PERCENT.    
THURSDAY AND THURSDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
NORTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. LOWS AROUND 78.  
CHANCE OF SHOWERS 20 PERCENT.    
FRIDAY
 
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF LIGHT SHOWERS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 87.    
FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS.  
LOWS AROUND 79.    
SATURDAY
 
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF SHOWERS. HIGHS  
IN THE UPPER 80S.    
SATURDAY NIGHT THROUGH TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
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