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

71°F

22°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 May 6:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Today

    Today: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Southeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 83 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely. Mostly cloudy, with a low around 71. East southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 82. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Scattered
    Showers

  • Sunday Night

    Sunday 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

  • Monday

    Monday: 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

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 71. East northeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 81. Northeast wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 70. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Partly sunny, with a high near 81. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers then
    Isolated
    Showers

Detailed Forecast

Today
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Southeast wind 5 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely. Mostly cloudy, with a low around 71. East southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers. Partly sunny, with a high near 82. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday 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.
Monday
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.
Monday Night
Scattered showers. Mostly cloudy, with a low around 71. East northeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 81. Northeast wind 7 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 70. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before noon. Partly sunny, with a high near 81. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 70. Northeast wind 5 to 8 mph. Chance of precipitation is 50%.
Thursday
Scattered showers. Partly sunny, with a high near 79. Northeast wind 6 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 69. Northeast wind around 9 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 79. Northeast wind around 10 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
Last Update:
6:03 am HST May 16, 2026
Forecast Valid:
7am HST May 16, 2026-6pm HST May 22, 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