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

52°F

11°C

Humidity 77%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 7 Jan 6:55 pm EST
Extended Forecast for

Clayton NC

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Calm wind becoming east 5 to 7 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Light east wind.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 60. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Cloudy, with a high near 75. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Low: 52 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Calm wind.
Thursday
Mostly sunny, with a high near 63. Calm wind becoming east 5 to 7 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 47. Light east wind.
Friday
Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 60. South wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain. Cloudy, with a high near 75. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 55.
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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:
6:30 pm EST Jan 7, 2026
Forecast Valid:
7pm EST Jan 7, 2026-6pm EST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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