971  
FPMY50 PGUM 100500  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
300 PM CHST SAT OCT 10 2026  
 
GUZ001-102030-  
GUAM-  
300 PM CHST SAT OCT 10 2026  
   
..FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT
 
 
   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. NORTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. WEST WINDS 10 TO  
15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 10 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED LIGHT SHOWERS. NORTHWEST  
WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS AROUND 79.  
CHANCE OF SHOWERS 10 PERCENT.    
COLUMBUS DAY THROUGH TUESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 88. LOWS AROUND 79. CHANCE OF  
SHOWERS 20 PERCENT.    
TUESDAY NIGHT THROUGH FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20  
PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER  
80S.    
SATURDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS  
IN THE UPPER 80S.  
 

 
 
MPZ001>003-102030-  
ROTA-TINIAN-SAIPAN-  
300 PM CHST SAT OCT 10 2026  
   
TONIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.  
NORTH WINDS AROUND 10 MPH IN THE EVENING BECOMING LIGHT. LOWS AROUND  
79. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND VARIABLE  
WINDS BECOMING NORTHWEST AROUND 10 MPH IN THE AFTERNOON. HIGHS  
AROUND 88. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.    
COLUMBUS DAY THROUGH TUESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
LIGHT AND VARIABLE WINDS. HIGHS AROUND 87. LOWS AROUND 79. CHANCE OF  
SHOWERS 20 PERCENT.    
TUESDAY NIGHT THROUGH THURSDAY NIGHT.
 
PARTLY CLOUDY WITH A 20  
PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER  
80S.   
FRIDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS IN  
THE UPPER 80S.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab GU Page Main Text Page