260
FPMY50 PGUM 220607
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
407 PM CHST MON JUN 22 2026
GUZ001-MPZ001-222030-
GUAM-ROTA-
407 PM CHST MON JUN 22 2026
...POTENTIAL FOR HEAVIER SHOWERS AND GUSTY WINDS THROUGH TUESDAY
NIGHT...
TONIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING, THEN
SCATTERED SHOWERS AFTER MIDNIGHT. ISOLATED THUNDERSTORMS. NORTH
WINDS 10 TO 15 MPH WITH GUSTS AROUND 25 MPH NEAR HEAVIER SHOWERS.
LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTH WINDS 10 TO 15 MPH WITH GUSTS AROUND 25 MPH
NEAR HEAVIER SHOWERS. HIGHS AROUND 86. CHANCE OF SHOWERS 40 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF
SHOWERS 30 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS. EAST WINDS AROUND 10 TO 15 MPH. HIGHS
AROUND 87. LOWS AROUND 77. CHANCE OF SHOWERS 30 PERCENT.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 10 TO
15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
LOWS IN THE UPPER 70S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER
80S. LOWS IN THE UPPER 70S.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 80S.
SATURDAY NIGHT THROUGH MONDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
MPZ002-003-222030-
TINIAN-SAIPAN-
407 PM CHST MON JUN 22 2026
...POTENTIAL FOR HEAVIER SHOWERS AND GUSTY WINDS THROUGH TUESDAY
NIGHT...
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS AROUND 25 MPH
NEAR HEAVIER SHOWERS. LOWS AROUND 78. CHANCE OF SHOWERS 40 PERCENT.
TUESDAY
BREEZY. MOSTLY CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. NORTHEAST WINDS 15 TO
20 MPH WITH GUSTS AROUND 30 MPH NEAR HEAVIER SHOWERS. HIGHS AROUND
86. CHANCE OF SHOWERS 60 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS AROUND 25 MPH
NEAR HEAVIER SHOWERS. LOWS AROUND 78. CHANCE OF SHOWERS 40 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. HIGHS AROUND
87. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15 TO 20
MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
LOWS AROUND 79.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER
80S. LOWS IN THE UPPER 70S.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 80S.
SATURDAY NIGHT THROUGH MONDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
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