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

69°F

21°C

Humidity 87%
Wind Speed W 5 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 May 2:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Overnight

    Overnight: Showers. Low around 66. West wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: Showers. High near 80. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 69. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 81. East southeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    Low: 69 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 82. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers likely, mainly before midnight. The rain could be heavy at times. Mostly cloudy, with a low around 72. South southeast wind around 7 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Heavy Rain

  • Sunday

    Sunday: Showers likely, mainly before noon. The rain could be heavy at times. Partly sunny, with a high near 82. East southeast wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 82 °F

    Heavy Rain
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 71. Light south southeast wind. Chance of precipitation is 70%.

    Low: 71 °F

    Heavy Rain

Detailed Forecast

Overnight
Showers. Low around 66. West wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 80. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely. Mostly cloudy, with a low around 69. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 81. East southeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Saturday
Showers likely, mainly after noon. The rain could be heavy at times. Mostly cloudy, with a high near 82. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, mainly before midnight. The rain could be heavy at times. Mostly cloudy, with a low around 72. South southeast wind around 7 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before noon. The rain could be heavy at times. Partly sunny, with a high near 82. East southeast wind 3 to 8 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 71. Light south southeast wind. Chance of precipitation is 70%.
Monday
Showers likely, mainly before noon. The rain could be heavy at times. Partly sunny, with a high near 81. Calm wind becoming east 5 to 9 mph. Chance of precipitation is 60%.
Monday Night
Frequent showers. Low around 71. Light east southeast wind. Chance of precipitation is 80%.
Tuesday
Showers likely. Partly sunny, with a high near 81. East northeast wind 3 to 8 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday
Showers likely. Partly sunny, with a high near 80. East northeast wind 3 to 8 mph. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
Last Update:
3:26 am HST May 14, 2026
Forecast Valid:
3am HST May 14, 2026-6pm HST May 20, 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