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

74°F

23°C

Humidity 91%
Wind Speed W 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 2:53 am HST
Extended Forecast for

Hilo HI

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 70. Light northwest wind. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 80. Light and variable wind becoming northeast 5 to 8 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph 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

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 71. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 83. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 71. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 83. East southeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely then
    Scattered
    Showers

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 70. Light northwest wind. Chance of precipitation is 40%.
Tuesday
Isolated showers. Mostly sunny, with a high near 80. Light and variable wind becoming northeast 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers. Partly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 71. Northwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 83. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 71. Calm wind becoming south southeast around 5 mph after midnight. Chance of precipitation is 60%.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 83. East southeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 83. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 71. North wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
Scattered showers. Partly sunny, with a high near 82. North wind 5 to 9 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 71. Northwest wind around 6 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 81. North wind 5 to 9 mph becoming east northeast in the morning. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo HI
 19.7°N 155.09°W (Elev. 217 ft)
Last Update:
6:01 pm HST Aug 17, 2026
Forecast Valid:
3am HST Aug 18, 2026-6pm HST Aug 24, 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