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.

Partly Cloudy

81°F

27°C

Humidity 51%
Wind Speed S 15 mph
Barometer 30.09 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Mar 3:55 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Increasing clouds, with a low around 61. South wind 7 to 9 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 78. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 57. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, mainly between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 78. Calm wind becoming southwest around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of rain before 7pm. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.

    Low: 55 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. South wind 7 to 9 mph.
Sunday
Rain likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 78. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 57. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 78. Calm wind becoming southwest around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of rain before 7pm. Partly cloudy, with a low around 55. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of rain after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Rain likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A chance of rain. Partly cloudy, with a low around 35. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 73.
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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:
1:19 pm EST Mar 7, 2026
Forecast Valid:
4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation