Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Overcast

79°F

26°C

Humidity 79%
Wind Speed SW 14 G 21 mph
Barometer 29.87 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jun 8:15 am EDT
Extended Forecast for

5 Miles W Four Oaks NC

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

    Today: Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am.  Low around 72. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Slight Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms, mainly before 3pm.  High near 88. Southwest wind around 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Light north wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90. North wind 3 to 5 mph.

    High: 90 °F

    Sunny

  • Saturday Night

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

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 96. Chance of precipitation is 60%.

    High: 96 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 72. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms, mainly before 3pm. High near 88. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 65. Light north wind.
Saturday
Sunny, with a high near 90. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 73.
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 before 2am. Mostly cloudy, with a low around 71. 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
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Four Oaks NC
 35.46°N 78.51°W (Elev. 269 ft)
5:20 am EDT Jun 18, 2026
8am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database