Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Partly Cloudy

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.85 in (1010.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Mar 5:53 am HST
Extended Forecast for

3 Miles ENE Hilo International Airport HI

Flood Watch March 20, 06:37am until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 06:37am until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Today

    High: 83 °F

    Isolated
    T-storms and
    Breezy

  • Tonight

    Tonight: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 70. South southeast wind 8 to 13 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 70 °F

    Heavy Rain

  • Saturday

    Saturday: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 83. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon.  Chance of precipitation is 20%.

    High: 83 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 69. North northwest wind 6 to 11 mph becoming south southwest after midnight.  Chance of precipitation is 30%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Heavy Rain

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  High near 80. South southwest wind 7 to 10 mph becoming north northeast in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 67. North northeast wind around 7 mph becoming northwest after midnight.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely.  Cloudy, with a high near 79. Northwest wind 7 to 11 mph becoming north northeast in the morning.  Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 66. North wind 8 to 11 mph.  Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely then
    Scattered
    Showers

Detailed Forecast

Today
Isolated showers and thunderstorms. Mostly cloudy, with a high near 83. Breezy, with a southeast wind 7 to 12 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. South southeast wind 8 to 13 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. North northwest wind 6 to 11 mph becoming south southwest after midnight. Chance of precipitation is 30%. New rainfall amounts between three quarters and one inch possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 80. South southwest wind 7 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 67. North northeast wind around 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely. Cloudy, with a high near 79. Northwest wind 7 to 11 mph becoming north northeast in the morning. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 66. North wind 8 to 11 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 78. North northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 7 to 13 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 78. North northwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 78. East wind 3 to 8 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hilo International Airport HI
 19.72°N 155.02°W (Elev. 16 ft)
6:01 am HST Mar 20, 2026
6am HST Mar 20, 2026-6pm HST Mar 26, 2026
 
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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