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.

Heavy Rain Fog/Mist

76°F

24°C

Humidity 97%
Wind Speed NA
Barometer 29.88 in (1011.7 mb)
Dewpoint 75°F (24°C)
Visibility 2.00 mi
Heat Index75°F (24°C)
Last update 23 Sep 3:53 pm HST
Extended Forecast for

Hilo International Airport HI

Hurricane Watch until further notice
Flood Watch until September 26, 06:00pm
Click here for hazard details and duration
Hurricane Watch until further notice
Flood Watch
  •  
    Hurricane Watch until further notice
    Flood Watch until September 26, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 81 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Calm wind becoming east northeast 5 to 8 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 73 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. East northeast wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    High: 80 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    Low: 73 °F

    Heavy Rain
    and Breezy

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Breezy, with an east northeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    High: 80 °F

    Heavy Rain
    and Breezy

  • Friday Night

    Friday Night: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    Low: 73 °F

    Tropical
    Storm
    Conditions
    Possible

  • Saturday

    Saturday: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Chance of precipitation is 90%.

    High: 80 °F

    Tropical
    Storm
    Conditions
    Possible

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with an east southeast wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 72 °F

    Heavy Rain
    and Breezy

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Northeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Calm wind becoming east northeast 5 to 8 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. East northeast wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Breezy, with an east northeast wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Friday Night
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Saturday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with an east southeast wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before noon, then scattered showers. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 80. East southeast wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 71. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Monday
Scattered showers. Partly sunny, with a high near 81. Southeast wind 6 to 10 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 72. South southeast wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Showers likely. Partly sunny, with a high near 81. East southeast wind 5 to 8 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 72. Light south wind becoming southeast 5 to 9 mph after midnight. Chance of precipitation is 70%.
Wednesday
Showers likely. Partly sunny, with a high near 81. East southeast wind 5 to 9 mph. Chance of precipitation is 60%.
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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:
4:01 pm HST Sep 23, 2026
Forecast Valid:
4pm HST Sep 23, 2026-6pm HST Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation