Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

88°F

31°C

Humidity 46%
Wind Speed S 8 G 21 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Mar 2:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 20, 03:01pm until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 03:01pm until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • This Afternoon

    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 5 to 9 mph becoming calm  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. Calm wind becoming north northeast 5 to 9 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 northeast wind 5 to 9 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 81. South southwest wind 6 to 9 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: 81 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 68. North northeast wind 5 to 7 mph becoming northwest in the evening.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely.  Cloudy, with a high near 79. Northwest wind 6 to 10 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 68. North wind 7 to 10 mph.  Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 83. Breezy, with a southeast wind 9 to 15 mph, with gusts as high as 21 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 5 to 9 mph becoming calm 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. Calm wind becoming north northeast 5 to 9 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 northeast wind 5 to 9 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 81. South southwest wind 6 to 9 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 68. North northeast wind 5 to 7 mph becoming northwest in the evening. 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 6 to 10 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 68. North wind 7 to 10 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 79. North northeast wind 8 to 13 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 67. North wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 79. 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. Calm wind. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 79. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 67. South southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 79. Light south southeast wind increasing to 6 to 11 mph in the afternoon. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 ft)
6:01 am HST Mar 20, 2026
3pm HST Mar 20, 2026-6pm HST Mar 27, 2026
 
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Additional Resources

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