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.

Fair

95°F

35°C

Humidity 47%
Wind Speed S 7 mph
Barometer 29.86 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 9 Jul 5:36 pm EDT
Extended Forecast for

Clayton NC

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Sunny, with a high near 96. West wind around 8 mph. Chance of precipitation is 20%.

    High: 96 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Light west wind.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Light west wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 94. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Sunny, with a high near 96. West wind around 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Light west wind.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Light west wind. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 94. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.66°N 78.45°W (Elev. 200 ft)
Last Update:
2:52 pm EDT Jul 9, 2026
Forecast Valid:
5pm EDT Jul 9, 2026-6pm EDT Jul 16, 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