Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed S 7 mph
Barometer 29.83 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Jun 3:35 am EDT
Extended Forecast for

4 Miles NNE Newton Grove NC

Heat Advisory June 18, 11:00am until June 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 73. Southwest wind around 8 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then showers likely and possibly a thunderstorm after 4am.  Increasing clouds, with a low around 73. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers and thunderstorms, mainly before 1pm.  High near 88. Southwest wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Southwest wind around 8 mph.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
A slight chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 73. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms, mainly before 1pm. High near 88. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Partly cloudy, with a low around 66. Light and variable wind.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 96. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Newton Grove NC
 35.31°N 78.33°W (Elev. 203 ft)
2:13 am EDT Jun 18, 2026
3am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database