484
FPMY50 PGUM 160555
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
355 PM ChST Thu Oct 16 2025

GUZ001-MPZ001>003-162100-
Guam-Rota-Tinian-Saipan-
355 PM ChST Thu Oct 16 2025

.TONIGHT...Mostly cloudy with scattered showers and thunderstorms in
the evening, becoming isolated showers after midnight. East winds 10
to 15 mph. Lows around 78. Chance of showers 30 percent.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy with isolated showers. East
winds 10 to 20 mph. Highs around 88. Lows around 78. Chance of
showers 20 percent.
.SATURDAY...Partly sunny with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 20 percent.
.SATURDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 78. Chance of
showers 30 percent.
.SUNDAY...Partly cloudy with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 20 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s.
.MONDAY...Partly sunny with a 30 percent chance of showers and a
slight chance of thunderstorms. Highs in the upper 80s.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s.
.TUESDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...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.
.THURSDAY...Mostly cloudy with a 20 percent chance of showers and
thunderstorms. Highs in the mid 80s.

$$