Guam Airport (GUM) Weather 11/20/2025
Tonight
78
Isolated Showers
Wednesday
88
Isolated Showers
Wednesday Night
78
Isolated Showers
Thursday
88
Isolated Showers
Thursday Night
78
Isolated Showers
Friday
87
Scattered Showers
Friday Night
78
Chance Showers
Saturday
87
Chance Showers
Saturday Night
79
Chance Showers
Sunday
87
Mostly Sunny
Sunday Night
77
Partly Cloudy
Monday
89
Mostly Sunny
Monday Night
77
Partly Cloudy
Weekly Forecast
Tonight
Isolated showers. Partly cloudy, with a low around 78. East wind 9 to 14 mph.
Wednesday
Isolated showers. Mostly sunny, with a high near 88. East wind 11 to 16 mph, with gusts as high as 21 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 10 to 16 mph, with gusts as high as 21 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 88. East wind 14 to 18 mph, with gusts as high as 24 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 11 to 18 mph, with gusts as high as 24 mph.
Friday
Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 77.