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.

Fair

52°F

11°C

Humidity 77%
Wind Speed S 8 mph
Barometer 30.23 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Feb 12:15 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Southwest wind around 9 mph, with gusts as high as 18 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Light south wind.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 70. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 70 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance Rain

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Southwest wind around 9 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 44. Light south wind.
Wednesday
Cloudy, with a high near 70. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Thursday
A chance of rain. Mostly cloudy, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
Rain likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Saturday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 47.
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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:
11:23 am EST Feb 17, 2026
Forecast Valid:
12pm EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation