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

72°F

22°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 3 Sep 11:53 pm HST
Extended Forecast for

Keaau HI

  • Overnight

    Overnight: Showers likely. Mostly cloudy, with a low around 70. North northwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northeast wind 7 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 70. Northeast wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Partly sunny, with a high near 81. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Mostly cloudy, with a high near 80. Southeast wind 3 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Cloudy, with a low around 72. South wind 6 to 10 mph. Chance of precipitation is 70%.

    Low: 72 °F

    Heavy Rain

  • Labor Day

    Labor Day: A 20 percent chance of showers. The rain could be heavy at times. Cloudy, with a high near 83. South southeast wind 10 to 14 mph.

    High: 83 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. The rain could be heavy at times. Mostly cloudy, with a low around 74. South wind 6 to 11 mph. Chance of precipitation is 70%.

    Low: 74 °F

    Heavy Rain

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 70. North northwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northeast wind 7 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Scattered showers. Mostly cloudy, with a low around 70. Northeast wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Scattered showers, mainly before noon. Partly sunny, with a high near 81. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers. Mostly cloudy, with a high near 80. Southeast wind 3 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Cloudy, with a low around 72. South wind 6 to 10 mph. Chance of precipitation is 70%.
Labor Day
A 20 percent chance of showers. The rain could be heavy at times. Cloudy, with a high near 83. South southeast wind 10 to 14 mph.
Monday Night
Showers likely, mainly after midnight. The rain could be heavy at times. Mostly cloudy, with a low around 74. South wind 6 to 11 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers. Partly sunny, with a high near 84. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 71. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 60%.
Thursday
Scattered showers. Mostly cloudy, with a high near 79. Northeast wind 6 to 11 mph becoming light north in the afternoon. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keaau HI
 19.61°N 155.04°W (Elev. 404 ft)
Last Update:
6:01 pm HST Sep 3, 2026
Forecast Valid:
12am 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