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Our latest thinking about the potential winter storm this upcoming weekend...

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Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

36°F

2°C

Humidity 32%
Wind Speed Vrbl 6 mph
Barometer 30.44 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 20 Jan 10:35 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Today

    Today: Sunny, with a high near 42. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 19. Calm wind.

    Low: 19 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Wind chill values as low as 20 early. Calm wind becoming south around 6 mph.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 1pm. Mostly sunny, with a high near 59. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely, mainly after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 42. Northwest wind around 6 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 49. Wind chill values as low as 20 early. Calm wind becoming south around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Calm wind.
Thursday
A slight chance of rain before 1pm. Mostly sunny, with a high near 59. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Friday
A chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Snow likely, mainly after 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Saturday Night
Snow. Low around 18. Chance of precipitation is 80%.
Sunday
Snow and freezing rain likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%.
Sunday Night
A chance of freezing rain. Partly cloudy, with a low around 11. Chance of precipitation is 30%.
Monday
Sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
8:23 am EST Jan 20, 2026
Forecast Valid:
10am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation