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.

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed N 6 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 15 Mar 9:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch March 15, 10:11pm until March 16, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 15, 10:11pm until March 16, 06:00am

    NOW until 6:00am Mon

    Flood Watch

  • Tonight

    Low: 71 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after 2pm. Cloudy, with a high near 82. Calm wind becoming north 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between three quarters and one inch possible.

    High: 82 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers, mainly after 8am. High near 80. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 80 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 69. North northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 69 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 78. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 68. Northeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%.

    Low: 68 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely. Cloudy, with a high near 80. Southwest wind around 7 mph becoming east in the afternoon. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Scattered showers, mainly after 2pm. Cloudy, with a high near 82. Calm wind becoming north 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Scattered showers. Cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, mainly after 8am. High near 80. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
Showers. Low around 69. North northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Showers. High near 78. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Showers. Low around 68. Northeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%.
Thursday
Showers likely. Cloudy, with a high near 80. Southwest wind around 7 mph becoming east in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 68. East wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 70%.
Friday
Showers likely, mainly after 8am. Cloudy, with a high near 80. West wind 5 to 8 mph becoming east northeast in the morning. Chance of precipitation is 70%.
Friday Night
Showers likely. Cloudy, with a low around 68. Northeast wind 6 to 8 mph becoming east southeast after midnight. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 81. East southeast wind 6 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 69. East southeast wind 6 to 9 mph becoming south in the evening. Chance of precipitation is 60%.
Sunday
Scattered showers. Cloudy, with a high near 80. South wind 6 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.
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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:
8:06 pm HST Mar 15, 2026
Forecast Valid:
10pm HST Mar 15, 2026-6pm HST Mar 22, 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