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.

A Few Clouds

84°F

29°C

Humidity 67%
Wind Speed E 8 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Aug 4:53 pm HST
Extended Forecast for

4 Miles WNW Volcano HI

Flood Watch August 23, 12:00am until August 24, 06:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Isolated showers. Partly sunny, with a high near 73. North northeast wind around 11 mph. Chance of precipitation is 20%.

    High: 73 °F

    Isolated
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Breezy, with a north wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Scattered showers after noon. Mostly sunny, with a high near 72. Breezy, with a north northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Breezy.
    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers. The rain could be heavy at times. Low around 60. Breezy, with a north northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Heavy Rain
    and Breezy

  • Sunday

    Sunday: Showers. The rain could be heavy at times. High near 67. Breezy, with a north wind 10 to 16 mph becoming east in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 67 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: Showers. The rain could be heavy at times. Low around 61. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between 3 and 4 inches possible.

    Low: 61 °F

    Heavy Rain

  • Monday

    Monday: Showers. The rain could be heavy at times. High near 68. East wind 5 to 8 mph. Chance of precipitation is 100%.

    High: 68 °F

    Heavy Rain

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 60. North northeast wind 3 to 8 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly before noon. Partly sunny, with a high near 68. East northeast wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 68 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Partly sunny, with a high near 73. North northeast wind around 11 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 61. Breezy, with a north wind 11 to 15 mph, with gusts as high as 21 mph.
Saturday
Scattered showers after noon. Mostly sunny, with a high near 72. Breezy, with a north northeast wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers. The rain could be heavy at times. Low around 60. Breezy, with a north northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. The rain could be heavy at times. High near 67. Breezy, with a north wind 10 to 16 mph becoming east in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Sunday Night
Showers. The rain could be heavy at times. Low around 61. East wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between 3 and 4 inches possible.
Monday
Showers. The rain could be heavy at times. High near 68. East wind 5 to 8 mph. Chance of precipitation is 100%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 60. North northeast wind 3 to 8 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers, mainly before noon. Partly sunny, with a high near 68. East northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 59. North northeast wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday
Isolated showers. Partly sunny, with a high near 68. East northeast wind around 9 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 57. North northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
Isolated showers. Partly sunny, with a high near 68. East northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 58. North wind 5 to 9 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 67. North northeast wind 7 to 9 mph.
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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:
4:59 pm HST Aug 21, 2026
Forecast Valid:
5pm HST Aug 21, 2026-6pm HST Aug 28, 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