Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 21 Mar 7:53 pm HST
Extended Forecast for

3 Miles ENE Hilo International Airport HI

Flood Watch March 21, 08:19pm until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 21, 08:19pm until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Tonight

    Low: 69 °F

    Heavy Rain

  • Sunday

    Sunday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 81. Calm wind becoming north 5 to 9 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 67. Calm wind becoming southeast around 6 mph after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Heavy Rain

  • Monday

    Monday: Occasional showers.  High near 77. Southeast wind 5 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 77. North northeast wind 5 to 11 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Mostly cloudy, with a low around 66. North northeast wind 7 to 11 mph.  Chance of precipitation is 40%.

    Low: 66 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Partly sunny, with a high near 78. Breezy, with a north northeast wind 10 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Isolated
    Showers and
    Breezy

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Occasional showers. High near 77. Southeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 77. North northeast wind 5 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North northeast wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 78. Breezy, with a north northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 65. North wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 78. North northeast wind 10 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North wind 9 to 11 mph. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 65. North northeast wind 8 to 10 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 10 to 14 mph, with gusts as high as 18 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 pm HST Mar 21, 2026
8pm HST Mar 21, 2026-6pm HST Mar 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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