Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48° N Lon: 144.8° E Elev: 304 ft.

Mostly Cloudy

78°F

26°C

Humidity 90%
Wind Speed E 13 G 25 mph
Barometer 29.80 in (1008.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Mar 6:54 pm ChST
Detailed forecast for

Guam

Tonight
Mostly cloudy with scattered showers in the evening, then cloudy with numerous locally heavy showers after midnight. Isolated thunderstorms. Northeast winds 15 to 20 mph with occasional gusts to 30 mph possible. Lows around 76. Chance of showers 60 percent.
Tuesday
Partly sunny with scattered showers and isolated thunderstorms. East winds 10 to 20 mph. Highs around 85. Chance of showers 40 percent.
Tuesday Night And Wednesday
Mostly cloudy with scattered showers. Northeast winds 10 to 15 mph. Lows around 76. Highs around 86. chance of showers 30 percent.
Wednesday Night
Mostly cloudy with isolated showers. Northeast winds 10 to 15 mph. Lows around 76. Chance of showers 20 percent.
Thursday
Partly cloudy with isolated showers. Northeast winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent.
Thursday Night
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 70s.
Friday Through Monday
Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s.



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355 PM ChST Mon Mar 23 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database