National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

74°F

23°C

Humidity 91%
Wind Speed Vrbl 3 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Mar 6:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 15, 07:01am until March 16, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 15, 07:01am until March 16, 06:00am

    NOW until 6:00am Mon

    Flood Watch

  • Today

    High: 80 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Monday

    Monday: Occasional showers, mainly after noon. High near 80. Light north northeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 80 °F

    Scattered
    Showers then
    Showers

  • Monday Night

    Monday Night: Scattered showers. Cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Cloudy, with a high near 78. North northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    High: 78 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers. High near 77. Calm wind. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

Detailed Forecast

Today
Scattered showers. Cloudy, with a high near 80. South southwest wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Occasional showers, mainly after noon. High near 80. Light north northeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers. Cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Scattered showers. Cloudy, with a high near 78. North northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers. Cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Showers. High near 77. Calm wind. Chance of precipitation is 80%.
Wednesday Night
Scattered showers. Cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Thursday
Showers likely. Cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 70%.
Thursday Night
Scattered showers. Cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Friday
Showers likely. Cloudy, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Scattered showers. Cloudy, with a low around 68. South southeast wind around 6 mph. Chance of precipitation is 30%.
Saturday
Showers likely. Cloudy, with a high near 79. South southeast wind around 6 mph becoming calm in the morning. 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 155.09°W (Elev. 95 ft)
Last Update:
6:53 am HST Mar 15, 2026
Forecast Valid:
7am HST Mar 15, 2026-6pm HST Mar 21, 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