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

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 1:15 am EDT
Extended Forecast for

Clayton NC

  • Overnight

    Overnight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 96. Heat index values as high as 101. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 96. Heat index values as high as 101. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 93.
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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:
1:28 am EDT Jun 21, 2026
Forecast Valid:
1am EDT Jun 21, 2026-6pm EDT Jun 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