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

70°F

21°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Nov 6:53 am HST
Extended Forecast for

4 Miles SW Wainaku HI

  • Today

    Today: Showers likely, mainly before noon. Mostly cloudy, with a high near 76. West southwest wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 76 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tonight

    Tonight: Occasional showers. Low around 67. Light and variable wind becoming west southwest around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Mostly cloudy, with a high near 75. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. East southeast wind around 6 mph becoming light and variable in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. East southeast wind around 6 mph becoming calm in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Southeast wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Isolated showers before midnight. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. East southeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly before noon. Mostly cloudy, with a high near 76. West southwest wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Occasional showers. Low around 67. Light and variable wind becoming west southwest around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Scattered showers, mainly before noon. Mostly cloudy, with a high near 75. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 66. East southeast wind around 6 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 76. East southeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 77. Southeast wind around 5 mph becoming calm in the afternoon.
Sunday Night
Isolated showers before midnight. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 76. East southeast wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 66. Calm wind.
Tuesday
Sunny, with a high near 77. Calm wind becoming east around 6 mph.
Tuesday Night
Partly cloudy, with a low around 66. Calm wind.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming east southeast 5 to 7 mph.
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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:
7:19 am HST Nov 20, 2025
Forecast Valid:
7am HST Nov 20, 2025-6pm HST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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