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

54°F

12°C

Humidity 35%
Wind Speed NE 10 mph
Barometer 30.36 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 Mar 3:35 pm EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Mostly clear, with a low around 35. Light east wind.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. South wind 6 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 35. Light east wind.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 47. Calm wind.
Thursday
Mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 57. South wind 6 to 8 mph.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 60. Chance of precipitation is 30%.
Saturday Night
Clear, with a low around 33.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
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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:
2:14 pm EDT Mar 24, 2026
Forecast Valid:
3pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation