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

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

34°F

1°C

Humidity 32%
Wind Speed NW 8 G 17 mph
Barometer 30.02 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 1 Feb 5:15 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

Winter Weather Advisory until February 2, 10:00am
Cold Weather Advisory February 1, 07:00pm until February 2, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
Cold Weather Advisory
  •  
    Winter Weather Advisory until February 2, 10:00am

    NOW until 10:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 8. Northwest wind 3 to 8 mph.

    Low: 8 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 36. Wind chill values as low as 5. Light and variable wind.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Light and variable wind.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 47. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 29. Wind chill values as low as 20. Northwest wind around 9 mph.
Tonight
Clear, with a low around 8. Northwest wind 3 to 8 mph.
Monday
Sunny, with a high near 36. Wind chill values as low as 5. Light and variable wind.
Monday Night
Mostly clear, with a low around 18. Calm wind.
Tuesday
Partly sunny, with a high near 44. Light and variable wind.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain. Cloudy, with a high near 47. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Mostly sunny, with a high near 42.
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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:
12:40 pm EST Feb 1, 2026
Forecast Valid:
5pm EST Feb 1, 2026-6pm EST Feb 8, 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