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.

Overcast

70°F

21°C

Humidity 78%
Wind Speed SW 10 G 16 mph
Barometer 30.24 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 Mar 10:35 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Mostly sunny, with a high near 81. Southwest wind 9 to 11 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Southwest wind 7 to 10 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 78. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Southwest wind 9 to 11 mph.
Tonight
Increasing clouds, with a low around 61. Southwest wind 7 to 10 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 78. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A chance of rain. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 61.
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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:
6:31 am EST Mar 7, 2026
Forecast Valid:
11am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation