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.

Mostly Cloudy

77°F

25°C

Humidity 69%
Wind Speed S 8 mph
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Nov 12:55 pm EST
Extended Forecast for

Smithfield NC

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 80. South wind around 6 mph.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Light southeast wind.

    Low: 62 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 7 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 65. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am. High near 76. Calm wind becoming southwest 5 to 7 mph. 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 54. Chance of precipitation is 20%.

    Low: 54 °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 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 80. South wind around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Light southeast wind.
Thursday
A chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 7 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 65. 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 7 mph. 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 54. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield NC
 35.51°N 78.33°W (Elev. 180 ft)
Last Update:
10:01 am EST Nov 4, 2026
Forecast Valid:
1pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation