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

68°F

20°C

Humidity 60%
Wind Speed SW 8 mph
Barometer 29.74 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Mar 3:55 am EDT
Extended Forecast for

3 Miles SSW Clayton NC

  • Today

    Today: Isolated showers between 1pm and 2pm. Mostly sunny, with a high near 81. Southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Northeast wind 7 to 9 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated showers between 1pm and 2pm. Mostly sunny, with a high near 81. Southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 38. North wind 11 to 13 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 56. Northeast wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Calm wind.
Wednesday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 59.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Clayton NC
 35.62°N 78.48°W (Elev. 302 ft)
Last Update:
2:24 am EDT Mar 23, 2026
Forecast Valid:
4am EDT Mar 23, 2026-6pm EDT Mar 29, 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