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.

Fair

69°F

21°C

Humidity 73%
Wind Speed SW 8 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 2:53 am HST
Extended Forecast for

Wainaku HI

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. South southwest wind around 6 mph.

    Low: 68 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Scattered showers before noon. Mostly sunny, with a high near 84. Light and variable wind becoming east 5 to 8 mph. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers then
    Sunny

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 68. Light south southeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers before noon. Mostly sunny, with a high near 83. Calm wind becoming east northeast around 6 mph. Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 68. Light north wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers before noon. Mostly sunny, with a high near 82. Light north northeast wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Scattered
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 67. North northeast wind around 6 mph becoming calm. Chance of precipitation is 40%.

    Low: 67 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly before noon. Partly sunny, with a high near 82. East northeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. South southwest wind around 6 mph.
Juneteenth
Scattered showers before noon. Mostly sunny, with a high near 84. Light and variable wind becoming east 5 to 8 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 68. Light south southeast wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Isolated showers before noon. Mostly sunny, with a high near 83. Calm wind becoming east northeast around 6 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 68. Light north wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers before noon. Mostly sunny, with a high near 82. Light north northeast wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 67. North northeast wind around 6 mph becoming calm. Chance of precipitation is 40%.
Monday
Scattered showers, mainly before noon. Partly sunny, with a high near 82. East northeast wind 5 to 8 mph. Chance of precipitation is 50%.
Monday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 66. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before noon. Partly sunny, with a high near 81. Calm wind becoming east southeast 5 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 81. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Frequent showers. Low around 67. East northeast wind around 6 mph. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 80. Northeast wind 5 to 8 mph. Chance of precipitation is 70%.
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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:
9:48 pm HST Jun 18, 2026
Forecast Valid:
3am HST Jun 19, 2026-6pm HST Jun 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