586
FPMY50 PGUM 190504
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service TIYAN GU
304 PM ChST Thu Jun 19 2025

GUZ001-MPZ001>003-192130-
Guam-Rota-Tinian-Saipan-
304 PM ChST Thu Jun 19 2025

.TONIGHT...Mostly cloudy with isolated showers. East winds 10 to
15 mph. Lows around 78. Chance of showers 20 percent.
.FRIDAY...Partly cloudy with isolated showers and thunderstorms.
Southeast winds 10 to 15 mph. Highs around 88. Chance of showers
20 percent.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy with isolated showers.
Southeast winds 10 to 15 mph. Lows around 78. Highs around 88.
Chance of showers 20 percent.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the upper 70s. Highs in the upper 80s.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. A chance of showers
and a slight chance of thunderstorms. Lows in the upper 70s. Highs
in the upper 80s. Chance of showers 30 percent.

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