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

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 6 Aug 4:16 am EDT
Extended Forecast for

4 Miles ESE Clayton NC

  • Today

    Today: A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 89. South wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 89. South wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Clayton NC
 35.63°N 78.4°W (Elev. 226 ft)
Last Update:
2:18 am EDT Aug 6, 2026
Forecast Valid:
4am EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
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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