609
FPMY50 PGUM 201757
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
357 AM CHST WED JAN 21 2026
GUZ001-MPZ001-210900-
GUAM-ROTA-
357 AM CHST WED JAN 21 2026
...A TROPICAL DISTURBANCE MAY BRING LOCALLY HEAVY SHOWERS AND GUSTY
WINDS TO GUAM AND ROTA TONIGHT THROUGH THURSDAY NIGHT...
TODAY
PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE MORNING, THEN
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN
THE AFTERNOON. EAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF
SHOWERS 30 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH NEAR
HEAVIER SHOWERS. LOWS AROUND 77. CHANCE OF SHOWERS 40 PERCENT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH NEAR HEAVIER SHOWERS. HIGHS NEAR 87. LOWS AROUND 77. CHANCE OF
SHOWERS 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
SOUTHEAST WINDS 15 TO 20 MPH. HIGHS NEAR 86. CHANCE OF SHOWERS 20
PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
LOWS IN THE UPPER 70S.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 70S.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 80S.
SUNDAY NIGHT THROUGH MONDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A
30 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.
TUESDAY
BREEZY. PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 80S.
MPZ002-003-210900-
TINIAN-SAIPAN-
357 AM CHST WED JAN 21 2026
TODAY
MOSTLY SUNNY WITH ISOLATED SHOWERS. EAST WINDS AROUND 10 MPH.
HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
EAST WINDS 10 TO 15 MPH. LOWS AROUND 79. CHANCE OF SHOWERS
20 PERCENT.
THURSDAY THROUGH FRIDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 15 TO 20 MPH. HIGHS NEAR 87.
LOWS AROUND 79. CHANCE OF SHOWERS 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
LOWS IN THE UPPER 70S.
SATURDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
SUNDAY AND SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY. A 30 PERCENT
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 80S. LOWS IN THE UPPER 70S.
MONDAY
BREEZY. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 80S.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 70S.
TUESDAY
BREEZY. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 80S.
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