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.

Fair

87°F

31°C

Humidity 57%
Wind Speed SW 6 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 23 Sep 8:53 am HST
Extended Forecast for

Kailua Kona HI

Flood Watch September 23, 12:00pm until September 26, 06:00pm
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. West southwest wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Isolated
    Showers then
    Heavy Rain

  • Tonight

    Tonight: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

    Low: 73 °F

    Heavy Rain

  • Thursday

    Thursday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    High: 86 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Light east northeast wind. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    Low: 73 °F

    Heavy Rain

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Hurricane conditions possible. Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.

    Low: 74 °F

    Hurricane
    Conditions
    Possible

  • Saturday

    Saturday: Hurricane conditions possible. Scattered showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Hurricane
    Conditions
    Possible

  • Saturday Night

    Saturday Night: Tropical storm conditions possible. Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Tropical
    Storm
    Conditions
    Possible

  • Sunday

    Sunday: Tropical storm conditions possible. Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Tropical
    Storm
    Conditions
    Possible

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. West southwest wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.
Thursday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Light east northeast wind. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Friday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Hurricane conditions possible. Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Hurricane conditions possible. Scattered showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
Tropical storm conditions possible. Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Sunday
Tropical storm conditions possible. Scattered showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
Scattered showers before midnight. Partly cloudy, with a low around 72. Light east southeast wind. Chance of precipitation is 30%.
Monday
Isolated showers. Mostly sunny, with a high near 86. South southeast wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 20%.
Monday Night
Scattered showers. Partly cloudy, with a low around 72. South southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 86. West wind 3 to 7 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kailua Kona HI
 19.66°N 155.97°W (Elev. 807 ft)
Last Update:
6:02 am HST Sep 23, 2026
Forecast Valid:
9am HST Sep 23, 2026-6pm HST Sep 29, 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