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

Hazardous Weather Conditions

Current conditions at

Kailua / Kona, Keahole Airport (PHKO)

Lat: 19.74°NLon: 156.05°WElev: 43ft.

Overcast

84°F

29°C

Humidity 82%
Wind Speed SE 7 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 17 Sep 7:53 pm HST
Extended Forecast for

Kailua Kona HI

Flood Watch September 17, 08:35pm until September 18, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 17, 08:35pm until September 18, 06:00am

    NOW until 6:00am Fri

    Flood Watch

  • Tonight

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 87. Heat index values as high as 99. Calm wind becoming west 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers before midnight. Mostly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Isolated showers after noon. Mostly cloudy, with a high near 86. Heat index values as high as 96. Light west southwest wind. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers before midnight. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86. West wind around 6 mph becoming calm in the afternoon.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Isolated showers before midnight. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Isolated showers after noon. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Isolated
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then isolated showers. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 87. Heat index values as high as 99. Calm wind becoming west 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Isolated showers before midnight. Mostly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 20%.
Saturday
Isolated showers after noon. Mostly cloudy, with a high near 86. Heat index values as high as 96. Light west southwest wind. Chance of precipitation is 20%.
Saturday Night
Isolated showers before midnight. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 86. West wind around 6 mph becoming calm in the afternoon.
Sunday Night
Isolated showers before midnight. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Monday
Isolated showers after noon. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 76. Calm wind.
Tuesday
Isolated showers after noon. Mostly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Kailua Kona HI
 19.63°N 156°W (Elev. 0 ft)
Last Update:
6:01 pm HST Sep 17, 2026
Forecast Valid:
8pm HST Sep 17, 2026-6pm HST Sep 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