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 NW 5 mph
Barometer 30.12 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Feb 4:35 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Sunny, with a high near 48. Wind chill values as low as 20 early. West wind 5 to 10 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Light south wind becoming southwest 5 to 10 mph in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 46. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 48. Wind chill values as low as 20 early. West wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 33. Light south wind becoming southwest 5 to 10 mph in the evening.
Wednesday
Mostly cloudy, with a high near 60. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 46. Southwest wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Cloudy, with a high near 65. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Friday Night
A chance of rain after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 30%.
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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:
1:13 am EST Feb 24, 2026
Forecast Valid:
4am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation