834
FPMY50 PGUM 161736
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
336 AM ChST Sun May 17 2026

GUZ001-MPZ001-170915-
Guam-Rota-
336 AM ChST Sun May 17 2026

.TODAY...Breezy. Partly cloudy with isolated showers. East winds
15 to 25 mph. Highs around 87. Chance of showers 20 percent.
.TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15
mph. Lows around 79. Chance of showers 20 percent.
.MONDAY...Partly sunny with scattered showers. East winds 15 to 20
mph. Highs near 87. Chance of showers 30 percent.
.MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy with scattered
showers and isolated thunderstorms. East winds 15 to 25 mph. Lows
around 77. Highs near 87. Chance of showers 40 percent.
.TUESDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
showers. Lows in the upper 70s.
.WEDNESDAY...Breezy. Partly cloudy with a 20 percent chance of showers.
Highs in the upper 80s.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. A 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.SATURDAY...Partly sunny with a 30 percent chance of showers. Highs
in the upper 80s.

$$

MPZ002-003-170915-
Tinian-Saipan-
336 AM ChST Sun May 17 2026

.TODAY...Breezy. Partly cloudy with isolated showers. East winds
15 to 25 mph. Highs around 87. Chance of showers 20 percent.
.TONIGHT...Breezy. Partly cloudy with isolated showers. East winds
15 to 20 mph. Lows around 78. Chance of showers 20 percent.
.MONDAY THROUGH TUESDAY...Breezy. Partly cloudy with isolated
showers. East winds 15 to 25 mph. Highs near 87. Lows around 77.
Chance of showers 20 percent.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.
.SATURDAY...Partly sunny with a 30 percent chance of showers. Highs
in the upper 80s.

$$