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.

Fair

28°F

-2°C

Humidity 80%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 13 Jan 1:15 am EST
Extended Forecast for

3 Miles S Knightdale NC

  • Overnight

    Overnight: Clear, with a low around 29. Calm wind.

    Low: 29 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Southwest wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Southwest wind 5 to 8 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Scattered rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 31. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Mostly Cloudy
    then
    Scattered
    Rain/Snow

  • Thursday

    Thursday: Scattered snow showers before 7am. Mostly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Scattered
    Snow Showers
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 18.

    Low: 18 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 29. Calm wind.
Tuesday
Sunny, with a high near 57. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 57. Southwest wind 5 to 8 mph.
Wednesday Night
Scattered rain showers after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 31. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Scattered snow showers before 7am. Mostly sunny, with a high near 40. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 18.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 21.
M.L.King Day
Sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Knightdale NC
 35.76°N 78.49°W (Elev. 276 ft)
Last Update:
12:37 am EST Jan 13, 2026
Forecast Valid:
1am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation