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

54°F

12°C

Humidity 38%
Wind Speed SW 17 G 23 mph
Barometer 29.86 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 Feb 12:55 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 60. Southwest wind around 16 mph, with gusts as high as 29 mph.

    High: 60 °F

    Mostly Cloudy

  • Tonight

    Tonight: Rain likely, mainly after 3am. Cloudy, with a low around 47. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain. High near 61. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 41. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 55. Northeast wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 60. Southwest wind around 16 mph, with gusts as high as 29 mph.
Tonight
Rain likely, mainly after 3am. Cloudy, with a low around 47. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 61. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 41. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain. Cloudy, with a high near 55. Northeast wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
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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:
8:20 am EST Feb 25, 2026
Forecast Valid:
1pm EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation