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 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

4 Miles WNW Volcano 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 55. Light west wind. Chance of precipitation is 30%.

    Low: 55 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before 8am, then showers after 2pm. The rain could be heavy at times. High near 67. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Scattered
    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers before 8pm. The rain could be heavy at times. Low around 56. Southwest wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 56 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 67. South southwest wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then isolated showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 57. South southwest wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Heavy Rain
    then Isolated
    T-storms

  • Saturday

    Saturday: Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 67. South southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 56. Southwest wind 6 to 10 mph. Chance of precipitation is 80%.

    Low: 56 °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 67. South southwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 80%.

    High: 67 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 55. Light west wind. Chance of precipitation is 30%.
Thursday
Scattered showers before 8am, then showers after 2pm. The rain could be heavy at times. High near 67. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers before 8pm. The rain could be heavy at times. Low around 56. Southwest wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
Showers likely and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 67. South southwest wind 7 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then isolated showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 57. South southwest wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Isolated showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 67. South southwest wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Some of the storms could produce heavy rainfall. Low around 56. Southwest wind 6 to 10 mph. Chance of precipitation is 80%.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 67. South southwest wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers likely. Cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 70%.
Monday
Showers. The rain could be heavy at times. High near 63. Calm wind becoming north northeast 5 to 9 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers. The rain could be heavy at times. Low around 54. North northeast wind around 10 mph. Chance of precipitation is 80%.
Tuesday
Scattered showers. Cloudy, with a high near 63. North wind 10 to 13 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 53. North wind 8 to 11 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 64. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Volcano HI
 19.52°N 155.28°W (Elev. 4541 ft)
Last Update:
6:01 pm HST Mar 18, 2026
Forecast Valid:
1am HST Mar 19, 2026-6pm HST Mar 25, 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