National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

83°F

28°C

Humidity 63%
Wind Speed NE 15 mph
Barometer 29.80 in (1008.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Mar 3:54 pm ChST
Extended Forecast for

2 Miles SW Maina GU

High Surf Advisory March 19, 04:51pm until March 20, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory March 19, 04:51pm until March 20, 04:00pm

    NOW until 4:00pm Fri

    High Surf Advisory

  • Tonight

    Low: 73 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers. Mostly sunny, with a high near 85. Northeast wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 74. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 84. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 84 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 74. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 73. Northeast wind 11 to 16 mph, with gusts as high as 21 mph.
Friday
Isolated showers. Mostly sunny, with a high near 85. Northeast wind 11 to 15 mph, with gusts as high as 20 mph.
Friday Night
Isolated showers. Partly cloudy, with a low around 74. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 84. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 74. East northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 74.
Monday
A chance of showers. Mostly cloudy, with a high near 85.
Monday Night
Mostly cloudy, with a low around 73.
Tuesday
A chance of showers. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 75.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 77.
Thursday
Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Maina GU
 13.45°N 144.74°E
Last Update:
2:47 pm ChST Mar 19, 2026
Forecast Valid:
4pm ChST Mar 19, 2026-6pm ChST Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation