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

84°F

29°C

Humidity 74%
Wind Speed S 3 mph
Barometer 30.16 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Aug 7:15 pm EDT
Extended Forecast for

4 Miles NNW Kenly NC

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 3 to 7 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 5 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 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • 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

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 72. 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 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 72. Southwest wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Sunny, with a high near 95.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Kenly NC
 35.65°N 78.14°W (Elev. 154 ft)
Last Update:
7:11 pm EDT Aug 6, 2026
Forecast Valid:
7pm EDT Aug 6, 2026-6pm EDT Aug 13, 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