456
FPMY50 PGUM 210548
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
348 PM CHST SUN JUN 21 2026
GUZ001-MPZ001-212145-
GUAM-ROTA-
348 PM CHST SUN JUN 21 2026
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND VARIABLE
WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.
MONDAY
PARTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, BECOMING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON. LIGHT
AND VARIABLE WINDS. HIGHS AROUND 88. CHANCE OF SHOWERS 30 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND
VARIABLE WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO
15 MPH. HIGHS AROUND 87. LOWS AROUND 78. CHANCE OF SHOWERS 30
PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTHEAST WINDS 5
TO 10 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
LOWS IN THE UPPER 70S.
FRIDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
MPZ002-003-212145-
TINIAN-SAIPAN-
348 PM CHST SUN JUN 21 2026
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND VARIABLE
WINDS. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.
MONDAY
PARTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, BECOMING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
LIGHT AND VARIABLE WINDS. HIGHS AROUND 88. CHANCE OF SHOWERS 30
PERCENT.
MONDAY NIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE EVENING,
THEN MOSTLY CLOUDY WITH SCATTERED SHOWERS AFTER MIDNIGHT. ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO 10
MPH AFTER MIDNIGHT. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.
HIGHS AROUND 87. CHANCE OF SHOWERS 40 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.
LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.
WEDNESDAY
PARTLY SUNNY WITH ISOLATED SHOWERS. SOUTHEAST WINDS
10 TO 15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE
UPPER 80S.
FRIDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
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