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.

Overcast

78°F

26°C

Humidity 85%
Wind Speed W 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 1:53 pm HST
Extended Forecast for

Wainaku HI

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 80. East northeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 74. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 73. Calm 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 82. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 74. North northwest wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 84. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers

  • Thursday Night

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

    Low: 74 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 84. East southeast wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 80. East northeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Scattered showers. Mostly cloudy, with a low around 74. Northeast wind 5 to 7 mph becoming calm in the evening. 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 81. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 73. Calm 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 82. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 74. North northwest wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 84. East northeast wind around 5 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 southwest around 5 mph after midnight. Chance of precipitation is 60%.
Friday
Scattered showers. Partly sunny, with a high near 84. East southeast wind 5 to 9 mph. Chance of precipitation is 40%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
Scattered showers. Partly sunny, with a high near 84. East southeast wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 60%.
Sunday
Scattered showers. Partly sunny, with a high near 83. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wainaku HI
 19.75°N 155.09°W (Elev. 0 ft)
Last Update:
9:52 am HST Aug 17, 2026
Forecast Valid:
2pm 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