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

63°F

17°C

Humidity 60%
Wind Speed NE 9 mph
Barometer 30.24 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 9 Oct 3:20 am EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Northeast wind around 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 72. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 72. Northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. Northeast wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Northeast wind around 10 mph.
Thursday
Sunny, with a high near 72. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 51. Northeast wind around 9 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 72. Northeast wind around 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 56. Northeast wind around 7 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 75.
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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:
1:44 am EDT Oct 9, 2025
Forecast Valid:
3am EDT Oct 9, 2025-6pm EDT Oct 15, 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