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.

Fog

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 59°F (15°C)
Visibility 0.15 mi
Last update 4 Nov 8:15 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

Dense Fog Advisory until November 4, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until November 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Today

    High: 82 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 82 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am. High near 76. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 60. Light south wind.
Thursday
A chance of showers after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 10am. High near 76. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
6:35 am EST Nov 4, 2026
Forecast Valid:
8am EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation