National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

46°F

8°C

Humidity 82%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Jan 11:35 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Light east wind.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the morning.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 56. Light south wind. Chance of precipitation is 40%.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 76. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 52. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Partly sunny, with a high near 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Light east wind.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 73. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
A chance of rain. Mostly cloudy, with a low around 56. Light south wind. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 76. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 52. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 60. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 52.
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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:
9:58 pm EST Jan 8, 2026
Forecast Valid:
11pm EST Jan 8, 2026-6pm EST Jan 15, 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