Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Thunderstorm Rain

73°F

23°C

Humidity 94%
Wind Speed W 6 mph
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 4:10 am EDT
Extended Forecast for

4 Miles ESE Clayton NC

Flood Advisory until June 17, 07:45am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until June 17, 07:45am

    NOW until 7:45am Tue

    Flood Advisory

  • Overnight

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 3 to 7 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 75. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 95 °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. 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%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 8 to 11 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. 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%.
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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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Clayton NC
 35.63°N 78.4°W (Elev. 226 ft)
3:28 am EDT Jun 17, 2025
4am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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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