National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

73°F

23°C

Humidity 65%
Wind Speed Vrbl 7 G 16 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Mar 10:55 am EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Mostly sunny, with a high near 88. West wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Low around 44. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 58. North wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 58 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 30. Light and variable wind.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. West wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 44. North wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 58. North wind 14 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 30. Light and variable wind.
Sunday
Sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 83.
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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:
7:24 am EDT Mar 27, 2026
Forecast Valid:
11am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation