Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

78°F

26°C

Humidity 85%
Wind Speed N 6 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Mar 12:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 22, 01:14pm until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 22, 01:14pm until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • This Afternoon

    High: 80 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall.  Low around 68. Calm wind becoming southwest around 5 mph after midnight.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Heavy Rain
    then
    Scattered
    Showers

  • Monday

    Monday: Occasional showers.  High near 78. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 67. North wind around 6 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 78. North wind 5 to 9 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Mostly cloudy, with a low around 66. North northwest wind 6 to 8 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers after noon.  Partly sunny, with a high near 77. North wind around 6 mph becoming calm  in the afternoon.  Chance of precipitation is 20%.

    High: 77 °F

    Partly Sunny
    then Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers before midnight.  Mostly cloudy, with a low around 66. Light west northwest wind.  Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. North northwest wind around 5 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm before midnight, then scattered showers. Some of the storms could produce heavy rainfall. Low around 68. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Occasional showers. High near 78. Light and variable wind becoming northeast 5 to 7 mph in the afternoon. 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 67. North wind around 6 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 78. North wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North northwest wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Isolated showers after noon. Partly sunny, with a high near 77. North wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 66. Light west northwest wind. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 78. Northeast wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Isolated showers after midnight. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 20%.
Friday
Isolated showers. Partly sunny, with a high near 78. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 66. West northwest wind around 7 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 78. Northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
12:01 pm HST Mar 22, 2026
1pm HST Mar 22, 2026-6pm HST Mar 28, 2026
 
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Additional Resources

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