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.

Overcast

79°F

26°C

Humidity 84%
Wind Speed E 3 mph
Barometer 30.17 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Aug 10:55 am EDT
Extended Forecast for

Clayton NC

  • Today

    Today: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Light southwest wind.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. East wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 88. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 71. Calm wind.
Monday
Sunny, with a high near 93. Light southwest wind.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 75.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.64°N 78.45°W (Elev. 299 ft)
Last Update:
7:41 am EDT Aug 29, 2026
Forecast Valid:
11am EDT Aug 29, 2026-6pm EDT Sep 4, 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