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

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Mostly Cloudy

79°F

26°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Apr 11:53 am HST
Extended Forecast for

Waipahu HI

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Partly sunny, with a high near 84. East wind 5 to 14 mph becoming north. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. East northeast wind 3 to 8 mph.

    Low: 71 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 83. Light and variable wind becoming east 6 to 11 mph in the morning.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 71. East wind around 6 mph.

    Low: 71 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 83. East wind around 5 mph becoming calm in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Partly sunny, with a high near 83. Calm wind. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers before midnight. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers after noon. Mostly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    Sunny then
    Isolated
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a high near 84. East wind 5 to 14 mph becoming north. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 71. East northeast wind 3 to 8 mph.
Sunday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 83. Light and variable wind becoming east 6 to 11 mph in the morning.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 71. East wind around 6 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 83. East wind around 5 mph becoming calm in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Scattered showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Isolated showers. Partly sunny, with a high near 83. Calm wind. Chance of precipitation is 20%.
Tuesday Night
Isolated showers before midnight. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Wednesday
Isolated showers after noon. Mostly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Isolated showers before midnight. Mostly clear, with a low around 71. Northeast wind around 6 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 83. Northeast wind 5 to 8 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 71. Northeast wind around 8 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 82. East northeast wind 8 to 10 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waipahu HI
 21.38°N 158.01°W (Elev. 13 ft)
Last Update:
8:44 am HST Apr 18, 2026
Forecast Valid:
12pm HST Apr 18, 2026-6pm HST Apr 24, 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