673  
FPMY50 PGUM 091745  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
345 AM CHST SAT OCT 10 2026  
 
GUZ001-100900-  
GUAM-  
345 AM CHST SAT OCT 10 2026  
   
TODAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH. HIGHS AROUND 86. CHANCE OF  
SHOWERS 50 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. WEST WINDS 10 TO 15 MPH IN THE EVENING BECOMING  
LIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.   
SUNDAY THROUGH COLUMBUS DAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
NORTHWEST WINDS AROUND 10 MPH. HIGHS AROUND 87. LOWS AROUND 78.  
CHANCE OF SHOWERS 20 PERCENT.   
MONDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 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 UPPER 80S. CHANCE OF SHOWERS 30 PERCENT.  
 
 
 
MPZ001>003-100900-  
ROTA-TINIAN-SAIPAN-  
345 AM CHST SAT OCT 10 2026  
   
TODAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS AROUND 10 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON. HIGHS AROUND 87. CHANCE OF SHOWERS 40 PERCENT.   
TONIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHWEST WINDS  
10 TO 15 MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.   
SUNDAY THROUGH COLUMBUS DAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
NORTHWEST WINDS AROUND 10 MPH. HIGHS AROUND 87. LOWS AROUND 79.  
CHANCE OF SHOWERS 20 PERCENT.   
MONDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 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 UPPER 80S. CHANCE OF SHOWERS 30 PERCENT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab GU Page
Main Text Page