Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

50°F

10°C

Humidity 47%
Wind Speed NE 12 G 21 mph
Barometer 30.23 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 24 Mar 1:55 am EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Mostly clear, with a low around 37. Northeast wind around 11 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind 8 to 11 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Northeast wind around 11 mph.
Tuesday
Mostly sunny, with a high near 57. Northeast wind 8 to 11 mph.
Tuesday Night
Increasing clouds, with a low around 33. Calm wind.
Wednesday
Mostly sunny, with a high near 68. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 47. Calm wind.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 86.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 59. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
2:14 am EDT Mar 24, 2026
2am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database