Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fog/Mist

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 1 Mar 7:35 am EST
Extended Forecast for

Clayton NC

Dense Fog Advisory until March 1, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 1, 10:00am

    NOW until 10:00am Sun

    Dense Fog Advisory

  • Today

    High: 72 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 1pm.  Mostly cloudy, with a high near 44. Northeast wind around 9 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, mainly after 1am.  Cloudy, with a low around 36. East wind 3 to 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 1pm.  Mostly cloudy, with a high near 62. Light and variable wind.  Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 44. Northeast wind around 9 mph. Chance of precipitation is 20%.
Monday Night
A chance of rain, mainly after 1am. Cloudy, with a low around 36. East wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 62. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 61.
Saturday
A chance of rain. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.64°N 78.45°W (Elev. 299 ft)
7:22 am EST Mar 1, 2026
7am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
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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