National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

80°F

27°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Sep 5:53 pm HST
Extended Forecast for

3 Miles WSW Honomu HI

Flood Watch September 8, 06:36pm until September 9, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 8, 06:36pm until September 9, 06:00pm

    NOW until 6:00pm Wed

    Flood Watch

  • Tonight

    Low: 73 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Isolated
    Showers then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 71. South southeast wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before noon. Partly sunny, with a high near 77. East wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Scattered
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 69. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 77. East wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon. Partly sunny, with a high near 78. East wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 78 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 73. North wind around 6 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 71. South southeast wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers before noon. Partly sunny, with a high near 77. East wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 69. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers. Partly sunny, with a high near 77. East wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly after noon. Partly sunny, with a high near 78. East wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers before midnight. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 50%.
Sunday
Scattered showers after noon. Mostly sunny, with a high near 79. Light and variable wind becoming northeast around 6 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 70. West wind 3 to 5 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Monday Night
Scattered showers. Partly cloudy, with a low around 71. Northeast wind around 6 mph becoming southwest in the evening. Chance of precipitation is 50%.
Tuesday
Scattered showers. Mostly sunny, with a high near 81. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Honomu HI
 19.86°N 155.16°W (Elev. 1437 ft)
Last Update:
6:02 pm HST Sep 8, 2026
Forecast Valid:
6pm HST Sep 8, 2026-6pm HST Sep 15, 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