491
FPMY50 PGUM 100539
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
339 PM ChST Fri Oct 10 2025

GUZ001-MPZ001>003-102100-
Guam-Rota-Tinian-Saipan-
339 PM ChST Fri Oct 10 2025

.TONIGHT...Mostly cloudy with isolated showers and thunderstorms.
East winds 10 to 15 mph. Lows around 77. Chance of showers
20 percent.
.SATURDAY...Partly cloudy with isolated showers and thunderstorms.
East winds around 10 mph in the morning becoming light. Highs around
88. Chance of showers 20 percent.
.SATURDAY NIGHT...Partly cloudy with isolated showers. Light and
variable winds becoming northeast around 10 mph after midnight. Lows
around 77. Chance of showers 20 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy with isolated showers.
Northeast to east winds 10 to 15 mph. Highs around 88. Lows around
77. Chance of showers 20 percent.
.COLUMBUS DAY...Partly sunny with scattered showers. East winds
10 to 15 mph. Highs around 88. Chance of showers 30 percent.
.MONDAY NIGHT...Partly cloudy with a 20 percent chance of showers.
Lows in the upper 70s.
.TUESDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 80s.
.TUESDAY NIGHT THROUGH THURSDAY...Mostly cloudy with a 40 percent
chance of showers and a slight chance of thunderstorms. Lows in the
upper 70s. Highs in the mid 80s.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.
Lows in the upper 70s.
.FRIDAY...Partly sunny with a 20 percent chance of showers. Highs in
the upper 80s.

$$