334  
FPMY50 PGUM 031800  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
400 AM CHST THU SEP 4 2025  
 
GUZ001-MPZ001-040815-  
GUAM-ROTA-  
400 AM CHST THU SEP 4 2025  
   
TODAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 40 PERCENT.   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. EAST WINDS 10 TO  
15 MPH IN THE EVENING BECOMING LIGHT. LOWS AROUND 79. CHANCE OF  
SHOWERS 50 PERCENT.   
FRIDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING EAST 10 TO 15 MPH  
IN THE AFTERNOON. HIGHS NEAR 87. CHANCE OF SHOWERS 30 PERCENT.   
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. EAST WINDS AROUND 10 MPH. LOWS AROUND 79.  
HIGHS NEAR 87. CHANCE OF SHOWERS 40 PERCENT.   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.   
SUNDAY THROUGH TUESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN  
THE UPPER 70S.   
WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE UPPER 80S.  
 

 
 
MPZ002-003-040815-  
TINIAN-SAIPAN-  
400 AM CHST THU SEP 4 2025  
   
TODAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS NEAR 87. CHANCE OF SHOWERS 30 PERCENT.   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.   
FRIDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. HIGHS NEAR 87. CHANCE OF  
SHOWERS 30 PERCENT.   
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH IN THE EVENING BECOMING  
LIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.   
SATURDAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.   
SUNDAY
 
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S.   
SUNDAY NIGHT THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
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