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

36°F

2°C

Humidity 35%
Wind Speed N 9 mph
Barometer 30.18 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Feb 9:55 am EST
Extended Forecast for

Clayton NC

  • Today

    Today: Sunny, with a high near 47. Northwest wind 7 to 9 mph becoming west in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °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 22 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 before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Partly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 47. Northwest wind 7 to 9 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 36. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 59. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 48. Southwest wind 6 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 22 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 before 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Friday Night
A chance of rain after 1am. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 42.
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 51. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.64°N 78.45°W (Elev. 299 ft)
Last Update:
9:48 am EST Feb 24, 2026
Forecast Valid:
10am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation