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

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

73°F

23°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 4 Sep 4:53 am HST
Extended Forecast for

4 Miles SW Wainaku HI

High Surf Advisory September 4, 05:50am until September 5, 06:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory September 4, 05:50am until September 5, 06:00am

    NOW until 6:00am Sat

    High Surf Advisory

  • Overnight

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 77. North wind 5 to 10 mph becoming east in the morning. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Isolated
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers before noon. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.

    High: 80 °F

    Scattered
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 70. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Mostly cloudy, with a high near 79. Southeast wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Heavy Rain

  • Labor Day

    Labor Day: Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 82. Southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 82 °F

    Heavy Rain

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 68. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 77. North wind 5 to 10 mph becoming east in the morning. Chance of precipitation is 60%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Scattered showers before noon. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 70. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers. Mostly cloudy, with a high near 79. Southeast wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Labor Day
Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 82. Southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 73. South southeast wind 5 to 9 mph becoming light after midnight. Chance of precipitation is 70%.
Tuesday
Scattered showers. Partly sunny, with a high near 82. East southeast wind 3 to 5 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 72. Light and variable wind becoming south around 5 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 79. Light and variable wind becoming south around 5 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 69. Calm wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 50%.
Thursday
Scattered showers. Mostly cloudy, with a high near 78. Northeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wainaku HI
 19.7°N 155.14°W (Elev. 974 ft)
Last Update:
4:01 am HST Sep 4, 2026
Forecast Valid:
5am HST Sep 4, 2026-6pm HST Sep 10, 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