National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

A Few Clouds

78°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Sep 8:53 pm HST
Extended Forecast for

4 Miles E Hilo International Airport HI

  • Tonight

    Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 74. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Partly sunny, with a high near 86. Heat index values as high as 96. North wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Occasional showers, mainly after midnight. The rain could be heavy at times. Low around 75. North wind 5 to 11 mph becoming east southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Scattered
    Showers then
    Heavy Rain

  • Thursday

    Thursday: Occasional showers, mainly after noon. The rain could be heavy at times. High near 84. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 84 °F

    Scattered
    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Occasional showers. The rain could be heavy at times. Low around 74. East southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 74 °F

    Heavy Rain

  • Friday

    Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 74. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 74 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly cloudy, with a high near 83. East northeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Cloudy, with a low around 74. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 74 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Showers likely, mainly after midnight. Mostly cloudy, with a low around 74. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before noon. Partly sunny, with a high near 86. Heat index values as high as 96. North wind 6 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Occasional showers, mainly after midnight. The rain could be heavy at times. Low around 75. North wind 5 to 11 mph becoming east southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Occasional showers, mainly after noon. The rain could be heavy at times. High near 84. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Occasional showers. The rain could be heavy at times. Low around 74. East southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Scattered showers. Mostly cloudy, with a low around 74. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.
Saturday
Scattered showers, mainly before noon. Mostly cloudy, with a high near 83. East northeast wind 6 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Cloudy, with a low around 74. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday
Scattered showers. Mostly cloudy, with a high near 83. East northeast wind 6 to 9 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 74. North wind 6 to 9 mph. Chance of precipitation is 70%.
Monday
Showers likely. Mostly cloudy, with a high near 84. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 74. North northeast wind around 9 mph. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 84. East wind 6 to 8 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hilo International Airport HI
 19.7°N 155.02°W (Elev. 36 ft)
Last Update:
6:01 pm HST Sep 15, 2026
Forecast Valid:
9pm HST Sep 15, 2026-6pm HST Sep 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation