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

50°F

10°C

Humidity 40%
Wind Speed NW 7 mph
Barometer 29.91 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 1 Jan 10:55 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • New Year's Day

    New Year's Day: Sunny, with a high near 55. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 58. Light and variable wind.

    High: 58 °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

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Rain. High near 47. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
Sunny, with a high near 55. West wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 30. Calm wind.
Friday
Increasing clouds, with a high near 58. 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 47. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 65.
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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:
6:01 am EST Jan 1, 2026
Forecast Valid:
11am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation