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.

Overcast

55°F

13°C

Humidity 82%
Wind Speed Vrbl 6 mph
Barometer 29.89 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 2 May 6:15 am EDT
Extended Forecast for

Smithfield NC

  • Today

    Today: Rain, mainly before 5pm. High near 57. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 41. Calm wind becoming west around 5 mph after midnight.

    Low: 41 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 69. North wind 3 to 6 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 78. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly before 5pm. High near 57. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 41. Calm wind becoming west around 5 mph after midnight.
Sunday
Sunny, with a high near 69. North wind 3 to 6 mph.
Sunday Night
Clear, with a low around 47. Calm wind.
Monday
Sunny, with a high near 78. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield NC
 35.51°N 78.33°W (Elev. 180 ft)
Last Update:
2:18 am EDT May 2, 2026
Forecast Valid:
6am EDT May 2, 2026-6pm EDT May 8, 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