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 97%
Wind Speed W 5 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Mar 6:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Today

    Today: Showers likely, mainly before noon. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 68 °F

    Showers
    Likely then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly cloudy, with a high near 81. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 70%.

    High: 81 °F

    Scattered
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers likely, mainly before noon. Cloudy, with a high near 77. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 80. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers, mainly after noon. Mostly cloudy, with a high near 81. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Scattered showers. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Scattered showers. Cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 70%.
Monday
Occasional showers. High near 77. North wind 5 to 9 mph. Chance of precipitation is 80%.
Monday Night
Showers likely. Cloudy, with a low around 67. North northwest wind 6 to 9 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 77. Northeast wind 7 to 9 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.09°W (Elev. 95 ft)
Last Update:
6:58 am HST Mar 18, 2026
Forecast Valid:
7am HST Mar 18, 2026-6pm HST Mar 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