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.

Thunderstorm Heavy Rain

70°F

21°C

Humidity 87%
Wind Speed N 20 G 32 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 23 Mar 1:53 pm HST
Extended Forecast for

4 Miles WSW Hilo HI

Flood Watch March 23, 02:15pm until March 23, 06:00pm
Flash Flood Warning until March 23, 03:45pm
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch March 23, 02:15pm until March 23, 06:00pm
    Flash Flood Warning until March 23, 03:45pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 73 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 62. North northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 73. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 62. North wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers after noon. Partly sunny, with a high near 72. North northeast wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers before midnight. Mostly cloudy, with a low around 61. North wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Isolated showers after noon. Partly sunny, with a high near 73. North northeast wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 73 °F

    Partly Sunny
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Mostly cloudy, with a low around 61. North wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Isolated
    Showers

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 73. Northeast wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely, mainly before midnight. Mostly cloudy, with a low around 62. North northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Scattered showers. Partly sunny, with a high near 73. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 62. North wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Scattered showers after noon. Partly sunny, with a high near 72. North northeast wind 10 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Scattered showers before midnight. Mostly cloudy, with a low around 61. North wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Isolated showers after noon. Partly sunny, with a high near 73. North northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 61. North wind 5 to 8 mph. Chance of precipitation is 20%.
Friday
Isolated showers after noon. Mostly cloudy, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Mostly cloudy, with a low around 62. North northeast wind around 7 mph. Chance of precipitation is 20%.
Saturday
Scattered showers. Partly sunny, with a high near 72. North northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 61. North northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 71. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Hilo HI
 19.68°N 155.14°W (Elev. 1129 ft)
Last Update:
8:28 am HST Mar 23, 2026
Forecast Valid:
2pm HST Mar 23, 2026-6pm HST Mar 29, 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