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.

A Few Clouds

70°F

21°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Apr 10:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • Tonight

    Tonight: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Calm wind becoming west around 6 mph after midnight.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 80. 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: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Cloudy, with a low around 68. East southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 69. East southeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 69 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. East southeast wind 3 to 8 mph.

    High: 81 °F

    Slight Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 69. Southeast wind 3 to 5 mph.

    Low: 69 °F

    Slight Chance
    Showers then
    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

  • Wednesday Night

    Wednesday Night: Scattered showers after midnight. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Mostly Clear
    then
    Scattered
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Calm wind becoming west around 6 mph after midnight.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 80. 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. Cloudy, with a low around 68. East southeast wind 5 to 7 mph becoming calm after midnight.
Monday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 69. East southeast wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 81. East southeast wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers before midnight. 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, mainly after noon. 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%.
Friday Night
Showers. Low around 68. East northeast wind around 6 mph becoming calm. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 79. East wind 6 to 9 mph. 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:
6:02 pm HST Apr 18, 2026
Forecast Valid:
10pm HST Apr 18, 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