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.

Fair

64°F

18°C

Humidity 78%
Wind Speed S 5 mph
Barometer 30.12 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 May 3:15 am EDT
Extended Forecast for

Clayton NC

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92. Southwest wind 7 to 9 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 6 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South wind 3 to 8 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. South wind 3 to 7 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Southwest wind around 6 mph.
Sunday
Sunny, with a high near 92. Southwest wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 6 to 8 mph.
Monday
Sunny, with a high near 92. South wind 3 to 8 mph.
Monday Night
Clear, with a low around 65. South wind 3 to 7 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 93.
Wednesday Night
A chance of showers before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.64°N 78.45°W (Elev. 299 ft)
Last Update:
2:12 am EDT May 17, 2026
Forecast Valid:
3am EDT May 17, 2026-6pm EDT May 23, 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