863
FPMY50 PGUM 190500
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
300 PM CHST SAT SEP 19 2026
GUZ001-MPZ001-192030-
GUAM-ROTA-
300 PM CHST SAT SEP 19 2026
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. WEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 50 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING WEST AROUND 10 MPH
IN THE AFTERNOON. HIGHS AROUND 87. CHANCE OF SHOWERS 50 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. LIGHT AND VARIABLE
WINDS. LOWS AROUND 78. CHANCE OF SHOWERS 50 PERCENT.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. HIGHS AROUND 86.
LOWS AROUND 78. CHANCE OF SHOWERS 50 PERCENT.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 50
PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 70S. HIGHS IN THE MID 80S.
THURSDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.
MPZ002-003-192030-
TINIAN-SAIPAN-
300 PM CHST SAT SEP 19 2026
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOWS AROUND 80. CHANCE OF
SHOWERS 30 PERCENT.
SUNDAY
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING EAST AROUND 10 MPH
IN THE AFTERNOON. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOCALLY HEAVY RAINFALL POSSIBLE. LIGHT AND VARIABLE
WINDS BECOMING EAST AROUND 10 MPH AFTER MIDNIGHT. LOWS AROUND 80.
CHANCE OF SHOWERS 50 PERCENT.
MONDAY
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE
OF SHOWERS 40 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 80. CHANCE
OF SHOWERS 30 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE
OF SHOWERS 40 PERCENT.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 80. HIGHS
IN THE UPPER 80S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SHOWERS. LOWS IN THE LOWER 80S. HIGHS IN THE MID 80S.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SHOWERS. LOWS IN THE LOWER 80S. HIGHS IN THE UPPER 80S.
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