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Impacts from Lowell to impact the islands through Tuesday

Lowell is expected to bring various impacts to all islands through Tuesday. High surf will continue through Monday night. Flooding will be possible Tuesday, and there is the possibility for some tornadoes/waterspouts through Monday night. Hurricane force winds are expected for Kauai and Niihau, with tropical storm force winds for Oahu, through Monday night. Read More >

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed SW 5 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 8 Sep 3:53 am HST
Extended Forecast for

4 Miles E Hilo International Airport HI

Flood Watch September 8, 04:18am until September 8, 06:00pm
High Surf Advisory September 8, 04:18am until September 8, 06:00pm
Click here for hazard details and duration
Flood Watch
High Surf Advisory
  •  
    Flood Watch September 8, 04:18am until September 8, 06:00pm
    High Surf Advisory September 8, 04:18am until September 8, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 76 °F

    Heavy Rain

  • Tuesday

    Tuesday: Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 87. Heat index values as high as 95. Breezy, with a south southeast wind 11 to 16 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    Heavy Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Occasional showers. Low around 76. South southeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 76 °F

    Showers

  • Wednesday

    Wednesday: Occasional showers. High near 84. Southeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Mostly sunny, with a high near 82. East northeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%.

    High: 82 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Frequent showers. The rain could be heavy at times. Low around 76. South wind 6 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Frequent showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. High near 87. Heat index values as high as 95. Breezy, with a south southeast wind 11 to 16 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Occasional showers. Low around 76. South southeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Occasional showers. High near 84. Southeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%. 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 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 82. East northeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Friday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 73. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.
Saturday
Scattered showers. Partly sunny, with a high near 83. Calm wind becoming northeast 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 73. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 60%.
Sunday
Scattered showers. Partly sunny, with a high near 84. West northwest wind 5 to 9 mph becoming north northeast in the morning. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 74. West wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 84. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hilo International Airport HI
 19.7°N 155.02°W (Elev. 36 ft)
Last Update:
4:02 am HST Sep 8, 2026
Forecast Valid:
4am HST Sep 8, 2026-6pm HST Sep 14, 2026
 
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Additional Resources

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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