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

70°F

21°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 12 Mar 12:53 am HST
Extended Forecast for

Wainaku HI

Flood Watch until March 14, 06:00pm
High Wind Watch March 13, 06:00am until March 15, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch
  •  
    Flood Watch until March 14, 06:00pm

    NOW until 6:00pm Sat

    Flood Watch

  • Overnight

    Low: 68 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after 2pm. The rain could be heavy at times. Cloudy, with a high near 82. Calm wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F

    Isolated
    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Occasional showers, mainly after 8pm. The rain could be heavy at times. Low around 70. Breezy, with a south wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 70 °F

    Heavy Rain
    and Breezy

  • Friday

    Friday: Occasional showers, with thunderstorms also possible after 8am. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain
    and Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 71. Windy, with a south wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 71 °F

    Heavy Rain
    and Windy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. Windy, with a south wind 17 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between 2 and 3 inches possible.

    High: 80 °F

    Heavy Rain
    and Windy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Breezy, with a south southwest wind 12 to 17 mph becoming light southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers. The rain could be heavy at times. High near 83. Light south wind. Chance of precipitation is 80%.

    High: 83 °F

    Heavy Rain

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly after 2pm. The rain could be heavy at times. Cloudy, with a high near 82. Calm wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Occasional showers, mainly after 8pm. The rain could be heavy at times. Low around 70. Breezy, with a south wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Occasional showers, with thunderstorms also possible after 8am. Some of the storms could produce heavy rainfall. High near 81. Breezy, with a south wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 71. Windy, with a south wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. Windy, with a south wind 17 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between 2 and 3 inches possible.
Saturday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Breezy, with a south southwest wind 12 to 17 mph becoming light southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Sunday
Showers. The rain could be heavy at times. High near 83. Light south wind. Chance of precipitation is 80%.
Sunday Night
Showers likely. The rain could be heavy at times. Cloudy, with a low around 70. Light west southwest wind. Chance of precipitation is 60%.
Monday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 82. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Tuesday
Scattered showers. Cloudy, with a high near 80. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 69. Light north northeast wind. Chance of precipitation is 50%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 80. East northeast wind 3 to 5 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wainaku HI
 19.75°N 155.09°W (Elev. 0 ft)
Last Update:
8:02 pm HST Mar 11, 2026
Forecast Valid:
12am HST Mar 12, 2026-6pm HST Mar 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