National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

30°F

-1°C

Humidity 51%
Wind Speed Vrbl 7 mph
Barometer 30.07 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 30 Dec 8:35 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Sunny, with a high near 44. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Light southwest wind.

    Low: 30 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 53. West wind 5 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 44. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 24. Calm wind.
Wednesday
Sunny, with a high near 50. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. Light southwest wind.
New Year's Day
Mostly sunny, with a high near 53. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 28.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 50%.
Saturday Night
A chance of rain before 1am. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
7:19 am EST Dec 30, 2025
Forecast Valid:
8am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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