Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Light Rain

77°F

25°C

Humidity 79%
Wind Speed E 6 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Mar 10:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 19, 06:00pm until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Scattered showers, mainly after 2pm.  Mostly cloudy, with a high near 81. Northeast wind around 6 mph becoming calm  in the afternoon.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 70. Light and variable wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Heavy Rain

  • Friday

    Friday: Isolated showers and thunderstorms after 8am.  Mostly cloudy, with a high near 83. Light south wind becoming southeast 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms.  Cloudy, with a low around 70. South wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms

  • Saturday

    Saturday: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 83. Breezy, with a south wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Heavy Rain
    and Breezy

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 69. North wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Heavy Rain

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am.  Cloudy, with a high near 80. Light and variable wind.  Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 68. Calm wind becoming north northwest around 5 mph after midnight.  Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Showers.  High near 78. North wind 5 to 7 mph.  Chance of precipitation is 80%.

    High: 78 °F

    Showers

Detailed Forecast

Today
Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Scattered showers before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Isolated showers and thunderstorms after 8am. Mostly cloudy, with a high near 83. Light south wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Cloudy, with a low around 70. South wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. Breezy, with a south wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. North wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 68. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 70%.
Monday
Showers. High near 78. North wind 5 to 7 mph. Chance of precipitation is 80%.
Monday Night
Showers, mainly before 2am. Low around 67. West northwest wind 5 to 8 mph becoming north northeast after midnight. Chance of precipitation is 80%.
Tuesday
Showers. High near 78. North wind 3 to 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers. Low around 66. Light and variable wind. Chance of precipitation is 90%.
Wednesday
Showers. High near 78. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
9:16 am HST Mar 19, 2026
11am HST Mar 19, 2026-6pm HST Mar 25, 2026
 
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Additional Resources

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