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

83°F

28°C

Humidity 74%
Wind Speed E 10 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Aug 2:53 pm HST
Extended Forecast for

Hilo HI

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Northeast wind 5 to 7 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Scattered showers after noon. Mostly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 83 °F

    Sunny then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 72. North northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: Occasional showers. High near 81. North northwest wind around 8 mph becoming east northeast in the afternoon. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Sunday Night

    Sunday Night: Occasional showers. Low around 72. East northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Monday

    Monday: Occasional showers. High near 81. South wind 7 to 9 mph becoming east southeast in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Northeast wind 5 to 7 mph.
Tonight
Scattered showers. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Scattered showers, mainly before noon. Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 71. East wind 5 to 7 mph becoming calm after midnight.
Saturday
Scattered showers after noon. Mostly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 72. North northwest wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Occasional showers. High near 81. North northwest wind around 8 mph becoming east northeast in the afternoon. Chance of precipitation is 90%.
Sunday Night
Occasional showers. Low around 72. East northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%.
Monday
Occasional showers. High near 81. South wind 7 to 9 mph becoming east southeast in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers likely. Mostly cloudy, with a low around 72. East southeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely. Mostly cloudy, with a high near 81. South wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Isolated showers. Mostly cloudy, with a low around 71. East northeast wind 5 to 7 mph becoming north northwest in the evening. Chance of precipitation is 20%.
Wednesday
Isolated showers. Partly sunny, with a high near 80. Northeast wind 5 to 7 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:
1:27 pm HST Aug 20, 2026
Forecast Valid:
2pm HST Aug 20, 2026-6pm HST Aug 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