Hazardous Weather Conditions
Current conditions at
Smithfield, Johnston County Airport (KJNX)
Lat: 35.54°NLon: 78.39°WElev: 164ft.
Mostly Cloudy
59°F
15°C
| Humidity | 94% |
| Wind Speed | SW 12 mph |
| Barometer | 29.68 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 8:15 am EST |
Extended Forecast for
Smithfield, Johnston County Airport NC
Today
High: 66 °F⇓
Chance Rain
then Rain
LikelyTonight

Low: 26 °F
Mostly Clear
Tuesday

High: 44 °F
Sunny
Tuesday Night

Low: 25 °F
Mostly Clear
Wednesday

High: 51 °F
Sunny
Wednesday Night

Low: 32 °F
Partly Cloudy
New Year's Day

High: 55 °F
Mostly Sunny
Thursday Night

Low: 29 °F
Mostly Clear
Friday

High: 54 °F
Partly Sunny
Detailed Forecast
Today
Rain likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 66 by 10am, then falling to around 51 during the remainder of the day. Southwest wind 11 to 17 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly clear, with a low around 26. West wind 6 to 11 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 44. Wind chill values as low as 20. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 25. Light west wind.
Wednesday
Sunny, with a high near 51. Light west wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 32.
New Year's Day
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 29.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Saturday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 51.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Smithfield, Johnston County Airport NC
35.54°N 78.38°W (Elev. 200 ft)
35.54°N 78.38°W (Elev. 200 ft)
5:25 am EST Dec 29, 2025
8am EST Dec 29, 2025-6pm EST Jan 4, 2026



