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

82°F

28°C

Humidity 63%
Wind Speed E 10 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Aug 2:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 83. East wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 71. East southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Labor Day

    Labor Day: Isolated showers before noon. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    Showers then
    Sunny

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers before noon. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Scattered
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 69. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers before noon. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before noon. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers then
    Sunny

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 83. East wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 71. East southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Labor Day
Isolated showers before noon. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Scattered showers before noon. Mostly sunny, with a high near 84. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 69. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers before noon. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 30%.
Thursday
Scattered showers before noon. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 71. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 85. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 71. East northeast wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 85. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 ft)
Last Update:
6:01 am HST Aug 31, 2025
Forecast Valid:
3pm HST Aug 31, 2025-6pm HST Sep 7, 2025
 
Forecast Discussion
 
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Additional Resources

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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