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

61°F

16°C

Humidity 77%
Wind Speed NE 10 G 24 mph
Barometer 30.05 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Dec 12:35 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Northeast wind 6 to 10 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54. East wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 69. Calm wind becoming north 5 to 8 mph in the morning.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Light northeast wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.

    High: 73 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Northeast wind 6 to 10 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 54. East wind 5 to 10 mph, with gusts as high as 21 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 42. Light and variable wind.
Saturday
Sunny, with a high near 69. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 38. Light northeast wind.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Clear, with a low around 25.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 29.
New Year's Day
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
12:40 am EST Dec 26, 2025
Forecast Valid:
12am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
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