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

61°F

16°C

Humidity 45%
Wind Speed S 6 mph
Barometer 30.45 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 29 Mar 7:15 pm EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Partly cloudy, with a low around 45. South wind around 6 mph becoming calm after midnight.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. South wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. South wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 76. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 54. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 81. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 59. South wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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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:
6:39 pm EDT Mar 29, 2026
Forecast Valid:
7pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation