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.

A Few Clouds

82°F

28°C

Humidity 45%
Wind Speed NE 6 mph
Barometer 30.28 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 8 Sep 1:55 pm EDT
Extended Forecast for

Clayton NC

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. East wind around 6 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Calm wind becoming south around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Southwest wind 3 to 8 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    Showers then
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 86. East wind around 6 mph.
Tonight
Mostly clear, with a low around 60. Light and variable wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 67. Calm wind becoming south around 5 mph.
Thursday
Sunny, with a high near 93. Southwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 72.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 70. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.66°N 78.45°W (Elev. 200 ft)
Last Update:
1:43 pm EDT Sep 8, 2026
Forecast Valid:
2pm EDT Sep 8, 2026-6pm EDT Sep 14, 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