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

73°F

23°C

Humidity 87%
Wind Speed SE 5 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Apr 7:53 pm HST
Extended Forecast for

Hilo HI

  • Tonight

    Tonight: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 67 °F

    Heavy Rain

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    Showers then
    Heavy Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. East wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. East wind 6 to 8 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 67. Light south southeast wind. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers before noon. Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Isolated showers. Mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 67. Light south wind.
Tuesday
Mostly sunny, with a high near 80. East wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 81. East wind 6 to 8 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 67. Light south southeast wind. Chance of precipitation is 20%.
Thursday
Isolated showers before noon. Mostly sunny, with a high near 80. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Isolated showers before noon. Mostly sunny, with a high near 80. Northeast wind around 8 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers. Partly cloudy, with a low around 66. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Saturday
Isolated showers. Mostly sunny, with a high near 79. East northeast wind around 8 mph. Chance of precipitation is 20%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 79. East northeast wind around 8 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo HI
 19.7°N 155.09°W (Elev. 217 ft)
Last Update:
6:01 pm HST Apr 19, 2026
Forecast Valid:
8pm HST Apr 19, 2026-6pm HST Apr 26, 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