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.

Overcast

68°F

20°C

Humidity 93%
Wind Speed W 9 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 May 12:53 am HST
Extended Forecast for

Hilo International Airport HI

High Surf Advisory May 22, 01:46am until May 22, 06:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory May 22, 01:46am until May 22, 06:00pm

    NOW until 6:00pm Fri

    High Surf Advisory

  • Overnight

    Low: 69 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Partly sunny, with a high near 80. North northeast wind 8 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. North northeast wind 6 to 11 mph becoming light east northeast. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northeast wind 9 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly before noon. Mostly sunny, with a high near 80. East northeast wind 5 to 10 mph becoming light east in the afternoon. Chance of precipitation is 40%.

    High: 80 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: Scattered showers, mainly before noon. Partly sunny, with a high near 80. Light east northeast wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 50%.

    High: 80 °F

    Scattered
    Showers then
    Isolated
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 69. North wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers, mainly before noon. Partly sunny, with a high near 80. North northeast wind 8 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. North northeast wind 6 to 11 mph becoming light east northeast. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Scattered showers, mainly before noon. Partly sunny, with a high near 79. Northeast wind 9 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 68. Northeast wind 7 to 9 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, mainly before noon. Mostly sunny, with a high near 80. East northeast wind 5 to 10 mph becoming light east in the afternoon. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. Calm wind becoming northeast around 5 mph. Chance of precipitation is 60%.
Memorial Day
Scattered showers, mainly before noon. Partly sunny, with a high near 80. Light east northeast wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers, mainly before noon. Partly sunny, with a high near 80. East northeast wind 7 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 81. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 67. East northeast wind around 7 mph. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 81. East northeast wind 6 to 9 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 ft)
Last Update:
6:01 pm HST May 21, 2026
Forecast Valid:
1am HST May 22, 2026-6pm HST May 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