Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

70°F

21°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 5 Sep 4:53 am HST
Extended Forecast for

4 Miles E Hilo International Airport HI

High Surf Advisory September 5, 05:42am until September 6, 06:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory September 5, 05:42am until September 6, 06:00pm

    NOW until 6:00pm Sun

    High Surf Advisory

  • Overnight

    Low: 72 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon.  Mostly cloudy, with a high near 84. Light and variable wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 73. North northeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 75. South southeast wind 5 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 75 °F

    Heavy Rain

  • Labor Day

    Labor Day: Occasional showers. The rain could be heavy at times.  High near 85. Southeast wind 8 to 14 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    High: 85 °F

    Heavy Rain

  • Monday Night

    Monday Night: Occasional showers. The rain could be heavy at times.  Low around 76. South southeast wind around 11 mph.  Chance of precipitation is 80%.

    Low: 76 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 86. Southeast wind 6 to 13 mph.  Chance of precipitation is 70%.

    High: 86 °F

    Heavy Rain

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 72. Northwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Scattered showers, mainly before noon. Mostly cloudy, with a high near 84. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 73. North northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Cloudy, with a low around 75. South southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Labor Day
Occasional showers. The rain could be heavy at times. High near 85. Southeast wind 8 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Occasional showers. The rain could be heavy at times. Low around 76. South southeast wind around 11 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. Southeast wind 6 to 13 mph. Chance of precipitation is 70%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 76. East southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Occasional showers, mainly after noon. High near 84. Calm wind becoming east 5 to 8 mph. Chance of precipitation is 80%.
Wednesday Night
Occasional showers. Low around 73. Calm wind becoming north around 6 mph. Chance of precipitation is 90%.
Thursday
Showers likely. Mostly cloudy, with a high near 83. East northeast wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 70%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 72. Calm wind becoming west southwest 5 to 8 mph after midnight. Chance of precipitation is 20%.
Friday
Isolated showers. Mostly sunny, with a high near 83. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hilo International Airport HI
 19.7°N 155.02°W (Elev. 36 ft)
4:20 am HST Sep 5, 2026
5am HST Sep 5, 2026-6pm HST Sep 11, 2026
 
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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