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Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

72°F

22°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Mar 7:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 23, 08:37am until March 23, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 23, 08:37am until March 23, 06:00pm

    NOW until 6:00pm Mon

    Flood Watch

  • Today

    High: 78 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 67. North wind 5 to 10 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 78. Breezy, with a north wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 66. North wind 10 to 14 mph, with gusts as high as 18 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 northeast wind 10 to 14 mph, with gusts as high as 18 mph. 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. North wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78. North northeast wind 7 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Isolated showers after midnight. Mostly cloudy, with a low around 66. North wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Isolated
    Showers

Detailed Forecast

Today
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. North wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 67. North wind 5 to 10 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 78. Breezy, with a north wind 6 to 15 mph, with gusts as high as 21 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 wind 10 to 14 mph, with gusts as high as 18 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 northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 66. North wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 78. North northeast wind 7 to 10 mph.
Thursday Night
Isolated showers after midnight. Mostly cloudy, with a low around 66. North wind 5 to 9 mph. Chance of precipitation is 20%.
Friday
Isolated showers after noon. Partly sunny, with a high near 77. Northeast wind 7 to 9 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 66. North northeast wind around 8 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 77. North northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 66. North northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Partly sunny, with a high near 77. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
Last Update:
8:28 am HST Mar 23, 2026
Forecast Valid:
8am HST Mar 23, 2026-6pm HST Mar 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