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

78°F

26°C

Humidity 76%
Wind Speed NE 8 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Apr 12:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • This Afternoon

    This Afternoon: Cloudy, with a high near 78. North northeast wind 5 to 7 mph becoming calm.

    High: 78 °F

    Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Calm wind becoming west southwest around 5 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 80. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. East southeast wind around 5 mph becoming light and variable in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Isolated showers after noon. Partly sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Mostly cloudy, with a low around 69. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. East southeast wind 3 to 8 mph.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southeast wind 3 to 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. East wind 5 to 8 mph becoming calm in the afternoon.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 78. North northeast wind 5 to 7 mph becoming calm.
Tonight
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Calm wind becoming west southwest around 5 mph.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 80. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 68. East southeast wind around 5 mph becoming light and variable in the evening.
Monday
Isolated showers after noon. Partly sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Isolated showers. Mostly cloudy, with a low around 69. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 81. East southeast wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 81. East wind 5 to 8 mph becoming calm in the afternoon.
Wednesday Night
Scattered showers after midnight. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Showers. Low around 68. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 80. Calm wind becoming east northeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hilo International Airport HI
 19.72°N 155.09°W (Elev. 95 ft)
Last Update:
8:44 am HST Apr 18, 2026
Forecast Valid:
1pm HST Apr 18, 2026-6pm HST Apr 24, 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