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.

Partly Cloudy

86°F

30°C

Humidity 75%
Wind Speed W 5 mph
Barometer 30.03 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 17 Jun 1:10 pm EDT
Extended Forecast for

Clayton NC

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind around 7 mph.

    Low: 76 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

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

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind around 7 mph.
Juneteenth
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.66°N 78.45°W (Elev. 200 ft)
Last Update:
6:25 am EDT Jun 17, 2025
Forecast Valid:
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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