Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed NW 9 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Mar 1:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 15, 02:00am until March 16, 06:00am
High Wind Warning March 15, 02:00am until March 15, 06:00pm
Flash Flood Warning March 15, 02:00am until March 15, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Warning
Flash Flood Warning
  •  
    Flood Watch March 15, 02:00am until March 16, 06:00am
    High Wind Warning March 15, 02:00am until March 15, 06:00pm
    Flash Flood Warning March 15, 02:00am until March 15, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 74 °F

    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Widespread haze. Mostly cloudy, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Scattered showers.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 72 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely.  Mostly cloudy, with a high near 82. Light north northeast wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers.  Cloudy, with a low around 71. Calm wind.  Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Cloudy, with a high near 78. Calm wind becoming east 5 to 7 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Cloudy, with a low around 68. East northeast wind around 7 mph becoming west after midnight.  Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers.  High near 77. Calm wind becoming east southeast around 6 mph in the afternoon.  Chance of precipitation is 80%.

    High: 77 °F

    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a low around 74. Breezy, with a south southwest wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. Mostly cloudy, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely. Mostly cloudy, with a high near 82. Light north northeast wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Scattered showers. Cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers. Cloudy, with a high near 78. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers. Cloudy, with a low around 68. East northeast wind around 7 mph becoming west after midnight. Chance of precipitation is 40%.
Wednesday
Showers. High near 77. Calm wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Scattered showers. Cloudy, with a low around 67. South southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday
Showers likely. Cloudy, with a high near 78. Calm wind. Chance of precipitation is 70%.
Thursday Night
Scattered showers. Cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Friday
Showers likely. Cloudy, with a high near 77. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Scattered showers. Cloudy, with a low around 66. South southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday
Showers likely. Cloudy, with a high near 75. East southeast wind around 8 mph. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.09°W (Elev. 95 ft)
8:44 pm HST Mar 14, 2026
2am HST Mar 15, 2026-6pm HST Mar 21, 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