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

78°F

26°C

Humidity 79%
Wind Speed N 9 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Aug 9:53 pm HST
Extended Forecast for

Hilo International Airport HI

Hurricane Warning until further notice
Flood Watch August 14, 06:00pm until August 16, 06:00am
Click here for hazard details and duration
Hurricane Warning until further notice
Flood Watch
  •  
    Hurricane Warning until further notice

    NOW until further notice

    Hurricane Warning

  • Tonight

    Low: 72 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. North wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Heavy Rain

  • Friday Night

    Friday Night: Tropical storm conditions expected, with hurricane conditions possible. Occasional showers. Low around 73. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Low: 73 °F

    Tropical
    Storm
    Conditions
    Expected With
    Hurricane
    Conditions
    Possible

  • Saturday

    Saturday: Tropical storm conditions expected, with hurricane conditions possible. Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 90%. New rainfall amounts in excess of 4 inches possible.

    High: 83 °F

    Tropical
    Storm
    Conditions
    Expected With
    Hurricane
    Conditions
    Possible

  • Saturday Night

    Saturday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Windy, with a south southeast wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between 3 and 4 inches possible.

    Low: 72 °F

    Heavy Rain
    and Windy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 84. Breezy, with a southeast wind 8 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    High: 84 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: Showers, mainly after midnight. The rain could be heavy at times. Low around 72. Southeast wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 72 °F

    Scattered
    Showers then
    Heavy Rain

  • Monday

    Monday: Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East wind around 7 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 72. North northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. North wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Tropical storm conditions expected, with hurricane conditions possible. Occasional showers. Low around 73. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Saturday
Tropical storm conditions expected, with hurricane conditions possible. Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 90%. New rainfall amounts in excess of 4 inches possible.
Saturday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Windy, with a south southeast wind 23 to 28 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between 3 and 4 inches possible.
Sunday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 84. Breezy, with a southeast wind 8 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Showers, mainly after midnight. The rain could be heavy at times. Low around 72. Southeast wind 6 to 8 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East wind around 7 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 71. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Tuesday
Scattered showers, mainly before noon. Partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 84. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 72. Light northwest wind. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 85. Northeast wind 3 to 8 mph. Chance of precipitation is 50%.
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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:
6:01 pm HST Aug 13, 2026
Forecast Valid:
9pm HST Aug 13, 2026-6pm HST Aug 20, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation