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.

Fair

82°F

28°C

Humidity 74%
Wind Speed E 8 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Apr 1:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch April 11, 02:03pm until April 13, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 11, 02:03pm until April 13, 06:00pm

    NOW until 6:00pm Mon

    Flood Watch

  • This Afternoon

    High: 82 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 7 to 10 mph. 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. Partly sunny, with a high near 83. Breezy, with a southeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Scattered
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 69. South southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers before 8am. Mostly cloudy, with a high near 82. East southeast wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 82 °F

    Scattered
    Showers then
    Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 70. Southeast wind around 8 mph.

    Low: 70 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 82. East southeast wind 5 to 8 mph.

    High: 82 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Isolated showers after 8pm. Cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Cloudy, with a high near 82. Southeast wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 7 to 10 mph. 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. Partly sunny, with a high near 83. Breezy, with a southeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 69. South southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Scattered showers before 8am. Mostly cloudy, with a high near 82. East southeast wind 8 to 13 mph. Chance of precipitation is 40%.
Monday Night
Cloudy, with a low around 70. Southeast wind around 8 mph.
Tuesday
Mostly cloudy, with a high near 82. East southeast wind 5 to 8 mph.
Tuesday Night
Isolated showers after 8pm. Cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly after noon. Cloudy, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
Frequent showers, mainly after 8pm. Low around 69. Light and variable wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 80%.
Thursday
Frequent showers. High near 82. East wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 80%.
Thursday Night
Frequent showers. Low around 69. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 82. East wind 6 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 155.04°W (Elev. 39 ft)
Last Update:
1:38 pm HST Apr 11, 2026
Forecast Valid:
2pm 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