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

81°F

27°C

Humidity 79%
Wind Speed N 10 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Sep 9:53 am HST
Extended Forecast for

4 Miles E Hilo International Airport HI

  • Today

    Today: Scattered showers. Mostly cloudy, with a high near 84. North northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely. Mostly cloudy, with a low around 74. North northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 70%. 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. Calm wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Occasional showers. Low around 75. North wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 75 °F

    Showers

  • Wednesday

    Wednesday: Occasional showers. High near 82. North northeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: Occasional showers, with thunderstorms also possible after midnight. Some of the storms could produce heavy rainfall. Low around 75. Northeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.

    Low: 75 °F

    Heavy Rain

  • Thursday

    Thursday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 82 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East northeast wind around 11 mph. Chance of precipitation is 80%.

    Low: 74 °F

    Heavy Rain

  • Friday

    Friday: Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 82 °F

    Heavy Rain
    and Breezy

Detailed Forecast

Today
Scattered showers. Mostly cloudy, with a high near 84. North northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely. Mostly cloudy, with a low around 74. North northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 70%. 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. Calm wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Occasional showers. Low around 75. North wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Occasional showers. High near 82. North northeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Occasional showers, with thunderstorms also possible after midnight. Some of the storms could produce heavy rainfall. Low around 75. Northeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.
Thursday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East northeast wind around 11 mph. Chance of precipitation is 80%.
Friday
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Friday Night
Showers likely. Mostly cloudy, with a low around 73. Breezy, with an east northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
Scattered showers. Mostly cloudy, with a high near 82. Breezy, with an east northeast wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 72. East northeast wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Sunday
Scattered showers. Partly sunny, with a high near 82. East northeast wind around 10 mph. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hilo International Airport HI
 19.7°N 155.02°W (Elev. 36 ft)
Last Update:
6:01 am HST Sep 21, 2026
Forecast Valid:
10am HST Sep 21, 2026-6pm HST Sep 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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