Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

80°F

27°C

Humidity 85%
Wind Speed NE 9 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Sep 1:53 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: 82 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 74. East northeast wind 3 to 8 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 74 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 82. East northeast wind 8 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    High: 82 °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 14 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 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 82. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    High: 82 °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 74. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 74 °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 82. Chance of precipitation is 90%.

    High: 82 °F

    Tropical
    Storm
    Conditions
    Possible

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 73. Breezy, with an east southeast wind 11 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    Low: 73 °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 82. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East northeast wind 3 to 8 mph. 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 82. East northeast wind 8 to 14 mph, with gusts as high as 18 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 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Friday Night
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with an east southeast wind 11 to 17 mph, with gusts as high as 24 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 82. East southeast wind 9 to 11 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 72. Southeast wind around 10 mph. Chance of precipitation is 60%.
Monday
Scattered showers. Partly sunny, with a high near 83. Southeast wind 6 to 11 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 73. South southeast wind around 6 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Partly sunny, with a high near 83. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 ft)
11:24 am HST Sep 23, 2026
2pm HST Sep 23, 2026-6pm HST Sep 29, 2026
 
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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