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

72°F

22°C

Humidity 31%
Wind Speed S 12 G 17 mph
Barometer 30.00 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Mar 5:15 pm EDT
Extended Forecast for

Clayton NC

  • Tonight

    Tonight: A slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. West wind 5 to 7 mph becoming northwest in the afternoon.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Light southeast wind.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Southwest wind 6 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 78. West wind 5 to 7 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 54. Light southeast wind.
Sunday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 62. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 54.
Friday
A chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.66°N 78.48°W (Elev. 299 ft)
Last Update:
4:38 pm EDT Mar 20, 2026
Forecast Valid:
5pm EDT Mar 20, 2026-6pm EDT Mar 27, 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