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Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Partly Cloudy

79°F

26°C

Humidity 77%
Wind Speed S 8 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Mar 10:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 23, 11:33am until March 23, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 23, 11:33am until March 23, 06:00pm

    NOW until 6:00pm Mon

    Flood Watch

  • Today

    High: 76 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 66. North wind 5 to 9 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 76. Breezy, with a north wind 5 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: 76 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. 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 76. North northeast wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 76 °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 10 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 76. North northeast wind 7 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Isolated showers. Mostly cloudy, with a low around 66. North wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers

Detailed Forecast

Today
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. North wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 66. North wind 5 to 9 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 76. Breezy, with a north wind 5 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, mainly before midnight. 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 76. North northeast wind 10 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 66. North wind 7 to 10 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 76. North northeast wind 7 to 10 mph.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North wind 5 to 8 mph. Chance of precipitation is 20%.
Friday
Isolated showers after noon. Mostly cloudy, with a high near 75. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 65. North northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Partly sunny, with a high near 75. North northeast wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Mostly cloudy, with a low around 65. Northeast wind 5 to 8 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Partly sunny, with a high near 75. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.09°W (Elev. 95 ft)
Last Update:
8:28 am HST Mar 23, 2026
Forecast Valid:
11am 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