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.

Overcast

75°F

24°C

Humidity 65%
Wind Speed W 14 G 23 mph
Barometer 29.72 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Feb 11:16 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Showers likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 5 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after 7am. Mostly cloudy, with a high near 63. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Northeast wind 6 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 10pm, then a slight chance of snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Showers likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 50. West wind 5 to 7 mph.
Saturday
Rain likely, mainly after 7am. Mostly cloudy, with a high near 63. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain after 1am. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Northeast wind 6 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of rain before 10pm, then a slight chance of snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 62. 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:
10:34 am EST Feb 20, 2026
Forecast Valid:
11am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation