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

81°F

27°C

Humidity 67%
Wind Speed E 10 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Oct 2:53 pm HST
Extended Forecast for

Wainaku HI

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 81. Northeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely. Mostly cloudy, with a low around 68. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers. Mostly cloudy, with a high near 81. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 68. East northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers before noon. Partly sunny, with a high near 81. Northeast wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 67. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers before noon. Mostly sunny, with a high near 81. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Scattered
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers, mainly before noon. Partly sunny, with a high near 82. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 81. Northeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely. Mostly cloudy, with a low around 68. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers. Mostly cloudy, with a high near 81. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 68. East northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers before noon. Partly sunny, with a high near 81. Northeast wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 67. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers before noon. Mostly sunny, with a high near 81. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 60%.
Thursday
Scattered showers, mainly before noon. Partly sunny, with a high near 82. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 83. Calm wind becoming east 5 to 7 mph.
Friday Night
Scattered showers. Cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Saturday
Scattered showers. Mostly cloudy, with a high near 83. Calm wind becoming east northeast around 6 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 69. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Scattered showers. Mostly cloudy, with a high near 82. West wind 5 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 30%.
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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:
3:12 pm HST Oct 18, 2026
Forecast Valid:
3pm HST Oct 18, 2026-6pm HST Oct 25, 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