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

74°F

23°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 May 6:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Today

    Today: Scattered showers. The rain could be heavy at times. Mostly cloudy, with a high near 79. Calm wind becoming northeast around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 79. Calm wind becoming north northeast around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 68. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 78. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 68 °F

    Scattered
    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Partly sunny, with a high near 77. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 66. North wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Partly sunny, with a high near 77. Northeast wind 6 to 11 mph. Chance of precipitation is 50%.

    High: 77 °F

    Scattered
    Showers then
    Isolated
    Showers

Detailed Forecast

Today
Scattered showers. The rain could be heavy at times. Mostly cloudy, with a high near 79. Calm wind becoming northeast around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 79. Calm wind becoming north northeast around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 68. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 78. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 77. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 6 to 8 mph. Chance of precipitation is 50%.
Friday
Scattered showers, mainly before noon. Partly sunny, with a high near 77. Northeast wind 6 to 11 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 77. Northeast wind 5 to 9 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
Scattered showers. Partly sunny, with a high near 77. East northeast wind 3 to 8 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 155.09°W (Elev. 95 ft)
Last Update:
6:02 am HST May 18, 2026
Forecast Valid:
7am HST May 18, 2026-6pm HST May 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