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

68°F

20°C

Humidity 73%
Wind Speed SW 8 G 18 mph
Barometer 29.97 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Mar 12:15 am EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Mostly clear, with a low around 60. Southwest wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers after 1am. Low around 43. Northeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 57. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 29. Calm wind.

    Low: 29 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers after 1am. Low around 43. Northeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 57. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Clear, with a low around 29. Calm wind.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 83.
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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:
6:51 pm EDT Mar 26, 2026
Forecast Valid:
12am EDT Mar 27, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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