National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 21 May 2:53 am HST
Extended Forecast for

4 Miles SW Wainaku HI

  • Overnight

    Overnight: Occasional showers. Low around 67. North northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 74. North northeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Occasional showers. Low around 65. North northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 75. North northeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 65. North northeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before noon. Partly sunny, with a high near 74. Light north northeast wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before noon. Partly sunny, with a high near 75. East northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 64. Light north northeast wind. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Overnight
Occasional showers. Low around 67. North northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 74. North northeast wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Occasional showers. Low around 65. North northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers. Partly sunny, with a high near 75. North northeast wind 6 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 65. North northeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before noon. Partly sunny, with a high near 74. Light north northeast wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before noon. Partly sunny, with a high near 75. East northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 64. Light north northeast wind. Chance of precipitation is 60%.
Memorial Day
Scattered showers. Partly sunny, with a high near 75. East northeast wind 3 to 8 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 64. Light and variable wind becoming north northeast around 6 mph after midnight. Chance of precipitation is 70%.
Tuesday
Scattered showers. Partly sunny, with a high near 75. East northeast wind around 7 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 64. Northeast wind around 6 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 75. East northeast wind around 7 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wainaku HI
 19.7°N 155.14°W (Elev. 974 ft)
Last Update:
3:27 am HST May 21, 2026
Forecast Valid:
3am HST May 21, 2026-6pm HST May 27, 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