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.

Mostly Cloudy

68°F

20°C

Humidity 81%
Wind Speed SW 5 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Apr 4:53 am HST
Extended Forecast for

Hilo International Airport HI

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 69. West wind around 6 mph.

    Low: 69 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 68. East southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 81. Light and variable wind becoming east southeast 6 to 11 mph in the morning.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph.

    Low: 68 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 82. East southeast wind 5 to 8 mph.

    High: 82 °F

    Slight Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Southeast wind 3 to 5 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. East wind 5 to 9 mph becoming calm in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 69. West wind around 6 mph.
Sunday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 81. Light and variable wind becoming east 5 to 10 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 68. East southeast wind 5 to 8 mph becoming calm after midnight.
Monday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 81. Light and variable wind becoming east southeast 6 to 11 mph in the morning.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68. South wind around 6 mph.
Tuesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 82. East southeast wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 68. Southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 83. East wind 5 to 9 mph becoming calm in the afternoon.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday
Isolated showers before noon. Mostly sunny, with a high near 82. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Isolated showers. Mostly sunny, with a high near 82. Northeast wind 3 to 8 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 68. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 81. East northeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 30%.
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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:
4:02 am HST Apr 19, 2026
Forecast Valid:
5am HST Apr 19, 2026-6pm HST Apr 25, 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