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

Hilo International Airport HI

  • Overnight

    Overnight: Occasional showers. Low around 70. North northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 80. Northeast wind 6 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

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 69. North northeast wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    Scattered
    Showers

  • Friday

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

    High: 80 °F

    Scattered
    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: Showers likely, mainly before noon. Partly sunny, with a high near 79. Northeast wind 9 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before noon. Partly sunny, with a high near 80. East northeast wind 5 to 10 mph becoming light east in the afternoon. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    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

Detailed Forecast

Overnight
Occasional showers. Low around 70. North northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 80. Northeast wind 6 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 69. North northeast wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Scattered showers. Partly sunny, with a high near 80. North northeast wind 8 to 11 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 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
Showers likely, mainly before noon. Partly sunny, with a high near 79. Northeast wind 9 to 13 mph. 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 68. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before noon. Partly sunny, with a high near 80. East northeast wind 5 to 10 mph becoming light east in the afternoon. Chance of precipitation is 60%.
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. 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
Occasional showers. Low around 68. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.
Tuesday
Scattered showers. 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 68. Northeast wind 6 to 8 mph. Chance of precipitation is 70%.
Wednesday
Scattered showers. Partly sunny, with a high near 81. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.04°W (Elev. 39 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