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

21°F

-6°C

Humidity 86%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 3 Feb 3:16 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Clear, with a low around 18. Calm wind.

    Low: 18 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 45. Wind chill values as low as 20 early. Light and variable wind.

    High: 45 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain likely, mainly between 9pm and 5am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly after 7am. High near 42. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 10pm, then rain, snow, and freezing rain likely between 10pm and 1am, then a chance of snow after 1am. Cloudy, with a low around 25. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Wintry Mix
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 18. Calm wind.
Tuesday
Increasing clouds, with a high near 45. Wind chill values as low as 20 early. Light and variable wind.
Tuesday Night
Rain likely, mainly between 9pm and 5am. Mostly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly after 7am. High near 42. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely before 10pm, then rain, snow, and freezing rain likely between 10pm and 1am, then a chance of snow after 1am. Cloudy, with a low around 25. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
1:01 am EST Feb 3, 2026
Forecast Valid:
3am EST Feb 3, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation