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.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Last update 1 Mar 12:55 am EST
Extended Forecast for

2 Miles NW Clayton NC

  • Overnight

    Overnight: Areas of fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 74 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly between 7pm and 9pm. Mostly cloudy, with a low around 38. Northeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 46. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain. Cloudy, with a low around 36. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 10am. Mostly cloudy, with a high near 58. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 74. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
A chance of showers, mainly between 7pm and 9pm. Mostly cloudy, with a low around 38. Northeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 46. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday Night
A chance of rain. Cloudy, with a low around 36. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of rain before 10am. Mostly cloudy, with a high near 58. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of rain. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A chance of rain. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Clayton NC
 35.66°N 78.48°W (Elev. 299 ft)
Last Update:
10:02 pm EST Feb 28, 2026
Forecast Valid:
1am 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