National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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%.
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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:
7:22 am EST Mar 1, 2026
Forecast Valid:
7am EST Mar 1, 2026-6pm EST Mar 7, 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