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.

Mostly Cloudy

84°F

29°C

Humidity 65%
Wind Speed NE 13 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Sep 2:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 84. North northeast wind 8 to 11 mph. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 74. North northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Partly sunny, with a high near 84. North wind 6 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 74. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 74 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 84. Southwest wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Occasional showers. Low around 74. South southwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East northeast wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 82 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East wind around 6 mph. Chance of precipitation is 80%.

    Low: 74 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East wind around 8 mph. Chance of precipitation is 80%.

    High: 82 °F

    Heavy Rain

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 84. North northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Tonight
Scattered showers. Mostly cloudy, with a low around 74. North northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Monday
Scattered showers, mainly after noon. Partly sunny, with a high near 84. North wind 6 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 74. South wind 5 to 7 mph. 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 84. Southwest wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Occasional showers. Low around 74. South southwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East northeast wind 8 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East wind around 6 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East wind around 8 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. East northeast wind 9 to 11 mph. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. East wind around 9 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. East northeast wind 9 to 11 mph. Chance of precipitation is 60%.
Saturday
Scattered showers. Mostly cloudy, with a high near 82. East northeast wind around 10 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 73. East northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%.
Sunday
Scattered showers. Partly sunny, with a high near 82. East northeast wind around 7 mph. Chance of precipitation is 30%.
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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:
6:02 am HST Sep 20, 2026
Forecast Valid:
3pm HST Sep 20, 2026-6pm HST Sep 27, 2026
 
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