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.

Overcast

81°F

27°C

Humidity 66%
Wind Speed SW 8 mph
Barometer 30.15 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Oct 2:00 pm EDT
Extended Forecast for

Smithfield NC

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. South wind around 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 81. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Light north wind becoming northeast 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Northeast wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. South wind around 7 mph.
Tonight
Partly cloudy, with a low around 66. South wind 3 to 5 mph.
Wednesday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 81. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Light north wind becoming northeast 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 70. Northeast wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield NC
 35.52°N 78.36°W (Elev. 184 ft)
Last Update:
12:39 pm EDT Oct 7, 2025
Forecast Valid:
2pm EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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