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

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 29.98 in (1015.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 11 Apr 8:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch April 11, 09:07am until April 13, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 11, 09:07am until April 13, 06:00pm

    NOW until 6:00pm Mon

    Flood Watch

  • Today

    High: 80 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. South wind 6 to 14 mph becoming east southeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Mostly cloudy, with a high near 81. East southeast wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before 2am. Cloudy, with a low around 70. South southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly cloudy, with a high near 81. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 81 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before 8pm. Cloudy, with a low around 70. Southeast wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Scattered
    Showers then
    Isolated
    Showers

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 80. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. South wind 6 to 14 mph becoming east southeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers. Mostly cloudy, with a high near 81. East southeast wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers, mainly before 2am. Cloudy, with a low around 70. South southeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, mainly after noon. Mostly cloudy, with a high near 81. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers, mainly before 8pm. Cloudy, with a low around 70. Southeast wind 5 to 7 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers, mainly after noon. Cloudy, with a high near 80. Southeast wind 5 to 9 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Frequent showers, mainly after 8pm. Low around 70. East northeast wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 80%.
Thursday
Frequent showers. High near 80. Southeast wind 5 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 80%.
Thursday Night
Frequent showers. Low around 69. East northeast wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 80%.
Friday
Showers likely. Cloudy, with a high near 79. East wind 5 to 9 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 155.09°W (Elev. 95 ft)
Last Update:
7:50 am HST Apr 11, 2026
Forecast Valid:
9am HST Apr 11, 2026-6pm HST Apr 17, 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