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.

Mostly Cloudy

76°F

24°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 12 Mar 4:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 12, 05:14pm until March 14, 06:00pm
High Wind Watch March 13, 06:00am until March 15, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch
  •  
    Flood Watch March 12, 05:14pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Flood Watch

  • This Afternoon

    High: 83 °F

    Heavy Rain

  • Tonight

    Tonight: Scattered showers and thunderstorms, then occasional showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Heavy Rain
    and Breezy

  • Friday

    Friday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Windy, with a south wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain
    and Windy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 70. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 70 °F

    Heavy Rain
    and Windy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Windy, with a south wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between 2 and 3 inches possible.

    High: 82 °F

    Heavy Rain
    and Windy

  • Saturday Night

    Saturday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with a south southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 72 °F

    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%.

    High: 84 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Scattered showers. The rain could be heavy at times. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 72 °F

    Heavy Rain

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a high near 83. South southeast wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms, then occasional showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 81. Windy, with a south wind 18 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 70. Windy, with a south wind 18 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Windy, with a south wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between 2 and 3 inches possible.
Saturday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Breezy, with a south southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 84. Southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%.
Sunday Night
Scattered showers. The rain could be heavy at times. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 83. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Monday Night
Scattered showers. Cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.
Tuesday
Showers likely. Cloudy, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Scattered showers. Cloudy, with a low around 69. North northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
Wednesday
Scattered showers. Cloudy, with a high near 79. East southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 20%.
Thursday
Isolated showers. Mostly sunny, with a high near 79. North wind 3 to 8 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
Last Update:
4:01 pm HST Mar 12, 2026
Forecast Valid:
5pm HST Mar 12, 2026-6pm HST Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation