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

37°F

3°C

Humidity 41%
Wind Speed NW 14 G 24 mph
Barometer 30.07 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 23 Feb 8:55 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 48. Light northwest wind increasing to 5 to 9 mph in the morning.

    High: 48 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. Calm wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 21 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 47. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 67. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Friday

    Friday: A chance of rain before 1pm. Partly sunny, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 48. Light northwest wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 33. Calm wind becoming southwest 5 to 9 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 61. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 47. Southwest wind around 6 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 67. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 47. Chance of precipitation is 80%.
Friday
A chance of rain before 1pm. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A chance of rain. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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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:
6:42 pm EST Feb 23, 2026
Forecast Valid:
9pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation