Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54° N Lon: 78.39° W Elev: 164 ft.

Overcast

86°F

30°C

Humidity 79%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 3 Aug 5:35 pm EDT
Detailed forecast for

Johnston County

Tonight
Mostly cloudy this evening, then becoming partly cloudy. A chance of thunderstorms this evening. A chance of showers. Lows in the lower 70s. South winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent.
Tuesday
Showers and thunderstorms likely. Highs in the lower 80s. East winds around 5 mph. Chance of rain 70 percent.
Tuesday Night
Mostly cloudy with showers and thunderstorms likely in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent.
Wednesday
Mostly cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 80s. South winds around 5 mph. Chance of rain 80 percent.
Wednesday Night
Partly cloudy. Showers with a chance of thunderstorms in the evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 80 percent.
Thursday And Thursday Night
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 50 percent.
Friday And Friday Night
Partly cloudy. Highs in the upper 80s. Lows in the lower 70s.
Saturday And Saturday Night
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 30 percent.
Sunday And Sunday Night
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 40 percent.
Monday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.



Basemap Options
Click map to change the forecast location
Loading map...
408 PM EDT Mon Aug 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database