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.

Light Rain

75°F

24°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Last update 17 Aug 4:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Overnight

    Overnight: Showers. Low around 73. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 73 °F

    Showers

  • Monday

    Monday: Showers, mainly before noon. High near 82. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 73. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 73 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 83. Calm wind becoming north northeast 5 to 8 mph. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 73 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 74. Northwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 85. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers. Low around 73. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before noon. High near 82. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Scattered showers. Mostly cloudy, with a low around 73. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Isolated showers. Mostly sunny, with a high near 83. Calm wind becoming north northeast 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Partly sunny, with a high near 84. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 74. Northwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 85. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.
Friday
Scattered showers. Partly sunny, with a high near 86. East southeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 74. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 60%.
Saturday
Scattered showers. Partly sunny, with a high near 86. East southeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Sunday
Scattered showers. Partly sunny, with a high near 85. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.7°N 155.07°W (Elev. 105 ft)
Last Update:
5:38 am HST Aug 17, 2026
Forecast Valid:
5am HST Aug 17, 2026-6pm HST Aug 23, 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