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

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.96 in (1014.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 12 Apr 3:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch April 12, 04:15am until April 13, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 12, 04:15am until April 13, 06:00pm

    NOW until 6:00pm Mon

    Flood Watch

  • Overnight

    Low: 70 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after 2pm. Mostly sunny, with a high near 83. South wind 5 to 13 mph becoming east southeast in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 69. East southeast wind 6 to 10 mph becoming south in the evening. Chance of precipitation is 30%. 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 83. Breezy, with a south wind 6 to 15 mph becoming east southeast in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Breezy.
    Scattered
    Showers then
    Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 71. Southeast wind around 6 mph.

    Low: 71 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 82. East southeast wind 5 to 9 mph.

    High: 82 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Isolated showers after 8pm. Cloudy, with a low around 70. East southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Cloudy, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 81 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers, mainly after 2pm. Mostly sunny, with a high near 83. South wind 5 to 13 mph becoming east southeast in the morning. 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. East southeast wind 6 to 10 mph becoming south in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Scattered showers before 8am. Mostly cloudy, with a high near 83. Breezy, with a south wind 6 to 15 mph becoming east southeast in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Cloudy, with a low around 71. Southeast wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 82. East southeast wind 5 to 9 mph.
Tuesday Night
Isolated showers after 8pm. Cloudy, with a low around 70. East southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly after noon. Cloudy, with a high near 81. East wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
Frequent showers, mainly after 8pm. Low around 69. Light and variable wind. Chance of precipitation is 80%.
Thursday
Frequent showers, mainly before 10am. High near 82. East wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 80%.
Thursday Night
Frequent showers. Low around 69. Calm wind. Chance of precipitation is 80%.
Friday
Showers likely. Cloudy, with a high near 82. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Frequent showers. Low around 69. South southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 81. East wind 3 to 8 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 155.07°W (Elev. 36 ft)
Last Update:
4:02 am HST Apr 12, 2026
Forecast Valid:
4am HST Apr 12, 2026-6pm HST Apr 18, 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