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

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Light Rain Fog/Mist

50°F

10°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 50°F (10°C)
Visibility 1.75 mi
Last update 26 Feb 5:15 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Rain. Low around 47. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: Rain. High near 62. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 2am, then a slight chance of rain after 3am. Cloudy, with a low around 42. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 56. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 47. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 62. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of rain before 2am, then a slight chance of rain after 3am. Cloudy, with a low around 42. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 56. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
A chance of rain. Cloudy, with a high near 51. Chance of precipitation is 50%.
Monday Night
A chance of rain. Cloudy, with a low around 32. Chance of precipitation is 40%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
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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:
1:14 am EST Feb 26, 2026
Forecast Valid:
5am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation