Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Mostly Cloudy

71°F

22°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 20 Mar 1:53 am HST
Extended Forecast for

Hilo International Airport HI

Flood Watch until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 22, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Overnight

    Low: 70 °F

    Isolated
    T-storms

  • Friday

    Friday: Isolated showers and thunderstorms.  Mostly cloudy, with a high near 83. Southeast wind 7 to 13 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 70. South southeast wind 6 to 9 mph becoming west southwest in the evening.  Chance of precipitation is 20%.

    Low: 70 °F

    Heavy Rain

  • Saturday

    Saturday: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 83. South southwest wind 7 to 10 mph becoming north northeast in the afternoon.  Chance of precipitation is 20%.

    High: 83 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 69. North northeast wind 5 to 9 mph becoming southwest in the evening.  Chance of precipitation is 30%. New rainfall amounts between 1 and 2 inches possible.

    Low: 69 °F

    Heavy Rain

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  High near 80. South southwest wind 6 to 8 mph becoming north northeast in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 68. North northeast wind around 6 mph becoming west northwest after midnight.  Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely.  Cloudy, with a high near 78. West northwest wind 6 to 9 mph becoming north northeast in the morning.  Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 7 mph. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind 7 to 13 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. South southeast wind 6 to 9 mph becoming west southwest in the evening. Chance of precipitation is 20%.
Saturday
Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 83. South southwest wind 7 to 10 mph becoming north northeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms, mainly after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. North northeast wind 5 to 9 mph becoming southwest in the evening. Chance of precipitation is 30%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 80. South southwest wind 6 to 8 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 68. North northeast wind around 6 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Monday
Showers likely. Cloudy, with a high near 78. West northwest wind 6 to 9 mph becoming north northeast in the morning. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 67. North wind 7 to 9 mph. Chance of precipitation is 70%.
Tuesday
Scattered showers, mainly after 8am. Mostly cloudy, with a high near 78. North northeast wind 8 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 7 to 10 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 78. North northwest wind 7 to 10 mph becoming northeast in the morning. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 66. Northeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 30%.
Thursday
Isolated showers. Partly sunny, with a high near 79. North northwest wind 6 to 10 mph becoming northeast in the morning. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.07°W (Elev. 36 ft)
6:02 pm HST Mar 19, 2026
2am HST Mar 20, 2026-6pm HST Mar 26, 2026
 
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Additional Resources

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