Guam Airport (GUM) Weather 06/23/2026
This Afternoon
87
Scattered Showers
Tonight
78
Heavy Rain
Juneteenth
86
Heavy Rain
Friday Night
78
Scattered Showers
Saturday
88
Scattered Showers
Saturday Night
78
Partly Cloudy
Sunday
89
Mostly Sunny
Sunday Night
78
Partly Cloudy
Monday
89
Mostly Sunny
Monday Night
78
Partly Cloudy
Tuesday
89
Mostly Sunny
Tuesday Night
78
Partly Cloudy
Wednesday
89
Mostly Sunny
Weekly Forecast
This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 78. Light and variable wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 60%.
Juneteenth
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. South southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 88. South wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 78.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 89.