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.

Mostly Cloudy

77°F

25°C

Humidity 54%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Mar 7:35 pm EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Showers and thunderstorms. Low around 46. Northwest wind 5 to 14 mph becoming northeast in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 57. North wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 57 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 31. Calm wind.

    Low: 31 °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 45. Light south wind.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

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

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

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

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms. Low around 46. Northwest wind 5 to 14 mph becoming northeast in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 57. North wind 14 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 31. Calm 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 45. Light south wind.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
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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:
7:06 pm EDT Mar 27, 2026
Forecast Valid:
7pm EDT Mar 27, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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