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

71°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 6 Apr 11:53 pm HST
Extended Forecast for

Hilo International Airport HI

Flood Watch April 8, 06:00am until April 10, 06:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Scattered showers. Cloudy, with a low around 67. Southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, then frequent showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south southwest wind 13 to 18 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Heavy Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Frequent showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Cloudy, with a high near 81. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain
    then Heavy
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. Breezy, with a south southeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 69 °F

    Heavy Rain
    and Breezy

  • Thursday

    Thursday: Scattered showers. Cloudy, with a high near 80. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Scattered
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely. The rain could be heavy at times. Cloudy, with a low around 68. Breezy, with a south southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Heavy Rain
    and Breezy

  • Friday

    Friday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 80 °F

    Heavy Rain
    and Breezy

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 70. Breezy, with a south southwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Heavy Rain
    and Breezy

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a low around 67. Southwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, then frequent showers and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south southwest wind 13 to 18 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Frequent showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. Cloudy, with a high near 81. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. Breezy, with a south southeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Scattered showers. Cloudy, with a high near 80. Breezy, with a south wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely. The rain could be heavy at times. Cloudy, with a low around 68. Breezy, with a south southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Friday
Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Friday Night
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a low around 70. Breezy, with a south southwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Saturday
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 83. Calm wind becoming north 5 to 8 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 69. South wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 81. South wind around 5 mph becoming north northeast in the morning. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 69. Southeast wind 5 to 7 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 81. Breezy, with a southeast wind 7 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
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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:
6:02 pm HST Apr 6, 2026
Forecast Valid:
12am HST Apr 7, 2026-6pm HST Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation