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

77°F

25°C

Humidity 82%
Wind Speed E 12 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Apr 3:53 pm HST
Extended Forecast for

Hilo International Airport HI

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. East wind around 8 mph. Chance of precipitation is 30%.

    High: 80 °F

    Heavy Rain

  • Tonight

    Tonight: Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 69 °F

    Heavy Rain

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Light south southeast wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    Showers then
    Heavy Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. East wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Light southeast wind.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Isolated showers before noon. Mostly sunny, with a high near 81. East wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 69. Light south southeast wind. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers before noon. Mostly sunny, with a high near 80. Northeast wind around 8 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. East wind around 8 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Monday
Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Light south southeast wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 81. East wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Light southeast wind.
Wednesday
Isolated showers before noon. Mostly sunny, with a high near 81. East wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 69. Light south southeast wind. Chance of precipitation is 20%.
Thursday
Isolated showers before noon. Mostly sunny, with a high near 80. Northeast wind around 8 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers. Mostly cloudy, with a low around 68. North northeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Isolated showers. Mostly sunny, with a high near 80. Northeast wind around 8 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers. Partly cloudy, with a low around 68. North wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 79. East northeast wind around 8 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 68. Light southeast wind. Chance of precipitation is 30%.
Sunday
Isolated showers. Mostly sunny, with a high near 79. East northeast wind around 9 mph. Chance of precipitation is 20%.
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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:
4:02 pm HST Apr 19, 2026
Forecast Valid:
4pm HST Apr 19, 2026-6pm HST Apr 26, 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