553
FPMY50 PGUM 292014
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
614 AM ChST Sat Aug 30 2025

GUZ001-300815-
Guam-
614 AM ChST Sat Aug 30 2025

Updated to increase showers today.

.REST OF TODAY...Cloudy with numerous showers and isolated
thunderstorms. Locally heavy showers possible. Southeast winds 10 to
15 mph. Gusts to 25 mph near heavier showers. Highs around 86.
Chance of showers 60 percent.
.TONIGHT...Cloudy. Numerous heavy showers and isolated thunderstorms.
Southeast winds 10 to 20 mph with gusts to 30 mph near heavier
showers. Lows around 76. Chance of showers 70 percent.
.SUNDAY...Cloudy with scattered showers and isolated thunderstorms.
Light and variable winds, becoming southeast around 10 mph in the
afternoon. Highs near 86. Chance of showers 50 percent.
.SUNDAY NIGHT AND LABOR DAY...Mostly cloudy with scattered showers.
East winds 10 to 15 mph. Lows around 78. Highs around 88. Chance of
showers 30 percent.
.MONDAY NIGHT THROUGH FRIDAY...Mostly cloudy with a 40 percent chance
of showers and a slight chance of thunderstorms. Lows in the upper
70s. Highs in the upper 80s.

$$

MPZ001>003-300815-
Rota-Tinian-Saipan-
614 AM ChST Sat Aug 30 2025

.REST OF TODAY...Mostly cloudy with scattered showers and isolated
thunderstorms. Locally heavy showers possible. Southeast winds 10 to
15 mph. Gusts to 25 mph near heavier showers. Highs near 86. Chance
of showers 50 percent.
.TONIGHT...Cloudy. Numerous heavy showers and isolated thunderstorms.
Southeast winds 10 to 20 mph with gusts to 30 mph near heavier
showers. Lows around 76. Chance of showers 70 percent.
.SUNDAY...Cloudy with scattered showers and isolated thunderstorms.
Light and variable winds, becoming southeast around 10 mph in the
afternoon. Highs near 86. Chance of showers 50 percent.
.SUNDAY NIGHT AND LABOR DAY...Mostly cloudy with scattered showers.
East winds 10 to 15 mph. Lows around 78. Highs around 88. Chance of
showers 30 percent.
.MONDAY NIGHT THROUGH FRIDAY...Mostly cloudy with a 40 percent chance
of showers and a slight chance of thunderstorms. Lows in the upper
70s. Highs in the upper 80s.

$$