Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Mostly Cloudy

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.90 in (1012.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Mar 12:53 am HST
Extended Forecast for

3 Miles ENE Hilo International Airport HI

Flood Watch March 19, 06:00pm until March 22, 06:00pm
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 50%.

    Low: 67 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before 8am, then scattered showers after 2pm. The rain could be heavy at times.  Mostly cloudy, with a high near 81. Light and variable wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Scattered showers before 8pm. The rain could be heavy at times.  Mostly cloudy, with a low around 69. South wind around 6 mph.  Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Isolated showers and thunderstorms after 8am.  Mostly cloudy, with a high near 83. South wind around 6 mph becoming light and variable  in the morning.  Chance of precipitation is 20%.

    High: 83 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms.  Cloudy, with a low around 69. Southwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    T-storms

  • Saturday

    Saturday: Isolated showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 83. Light and variable wind.  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. Calm wind.  Chance of precipitation is 30%.

    Low: 69 °F

    Heavy Rain

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  Cloudy, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 82 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 68. Northwest wind 3 to 5 mph.  Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 50%.
Thursday
Scattered showers before 8am, then scattered showers after 2pm. The rain could be heavy at times. Mostly cloudy, with a high near 81. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Scattered showers before 8pm. The rain could be heavy at times. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Isolated showers and thunderstorms after 8am. Mostly cloudy, with a high near 83. South wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Cloudy, with a low around 69. Southwest wind 3 to 5 mph. 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. Light and variable wind. 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. Calm wind. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 68. Northwest wind 3 to 5 mph. Chance of precipitation is 70%.
Monday
Showers likely. The rain could be heavy at times. Cloudy, with a high near 79. North wind 5 to 10 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. The rain could be heavy at times. Cloudy, with a low around 66. North northwest wind 8 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Cloudy, with a high near 79. North wind 7 to 11 mph.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 66. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 79. East wind 5 to 8 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Hilo International Airport HI
 19.72°N 155.02°W (Elev. 16 ft)
6:01 pm HST Mar 18, 2026
1am HST Mar 19, 2026-6pm HST Mar 25, 2026
 
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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