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.

Overcast

70°F

21°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Sep 1:50 am EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Showers likely, mainly after 3am. Cloudy, with a low around 67. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, with a high near 76. North wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. North wind around 8 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Northeast wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Northeast wind 3 to 6 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely, mainly after 3am. Cloudy, with a low around 67. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers before 2pm, then a slight chance of showers after 4pm. Cloudy, with a high near 76. North wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 63. North wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 78. Northeast wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 53. Northeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 80.
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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:
7:41 pm EDT Sep 29, 2025
Forecast Valid:
1am EDT Sep 30, 2025-6pm EDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation