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

81°F

27°C

Humidity 34%
Wind Speed S 10 mph
Barometer 30.21 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Apr 6:35 pm EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Increasing clouds, with a low around 59. South wind 5 to 9 mph becoming calm after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 83. Light south wind increasing to 5 to 9 mph in the morning.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind around 9 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. South wind 5 to 9 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 83. Light south wind increasing to 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 60. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 85. Light south wind increasing to 6 to 11 mph in the morning.
Saturday Night
Mostly clear, with a low around 63. South wind around 9 mph.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 49. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 72.
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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:
2:16 pm EDT Apr 2, 2026
Forecast Valid:
6pm EDT Apr 2, 2026-6pm EDT Apr 9, 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