Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

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

Fair

88°F

31°C

Humidity 27%
Wind Speed S 9 mph
Barometer 29.85 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Apr 6:35 pm EDT
Detailed forecast for

Johnston County

Tonight
Mostly clear. Lows in the mid 60s. South winds 5 to 10 mph.
Sunday
Mostly cloudy. A chance of showers in the afternoon. Breezy and not as warm with highs in the lower 70s. Temperature falling into the lower 60s in the afternoon. West winds 15 to 20 mph, becoming north in the afternoon. Chance of rain 40 percent.
Sunday Night
Mostly clear. Much cooler with lows around 40. Northwest winds 5 to 10 mph.
Monday
Sunny. Highs around 70. Northwest winds 5 to 10 mph.
Monday Night
Clear. Lows in the upper 30s. North winds 5 to 10 mph.
Tuesday And Tuesday Night
Clear. Highs in the upper 60s. Lows in the mid 40s.
Wednesday And Wednesday Night
Mostly clear. Highs in the lower 80s. Lows in the mid 50s.
Thursday And Thursday Night
Clear. Highs in the mid 80s. Lows in the upper 50s.
Friday And Friday Night
Mostly clear. Hot. Highs in the upper 80s. Lows in the lower 60s.
Saturday
Partly sunny. A chance of showers in the afternoon. Hot with highs in the upper 80s. Chance of rain 30 percent.



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408 PM EDT Sat Apr 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database