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

43°F

6°C

Humidity 46%
Wind Speed SW 8 mph
Barometer 29.90 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 31 Dec 10:35 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 55. Northwest wind 6 to 10 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 56. Light and variable wind.

    High: 56 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain after 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
New Year's Day
Sunny, with a high near 55. Northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 29. Calm wind.
Friday
Increasing clouds, with a high near 56. Light and variable wind.
Friday Night
A slight chance of rain after 1am. Cloudy, with a low around 38. Calm wind. Chance of precipitation is 20%.
Saturday
Rain. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely before 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
4:28 pm EST Dec 31, 2025
Forecast Valid:
10pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation