Current conditions at
Smithfield, Johnston County Airport (KJNX)
Lat: 35.54°NLon: 78.39°WElev: 164ft.
Fair
32°F
0°C
| Humidity | 55% |
| Wind Speed | Calm |
| Barometer | 30.02 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 30 Dec 6:15 pm EST |
Extended Forecast for
Smithfield, Johnston County Airport NC
Tonight

Low: 22 °F
Mostly Clear
Wednesday

High: 50 °F
Sunny
Wednesday Night

Low: 30 °F
Partly Cloudy
New Year's Day

High: 52 °F
Sunny
Thursday Night

Low: 29 °F
Partly Cloudy
Friday

High: 54 °F
Mostly Cloudy
Friday Night

Low: 38 °F
Mostly Cloudy
Saturday

High: 54 °F
Chance Rain
Saturday Night

Low: 31 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 22. Light west wind.
Wednesday
Sunny, with a high near 50. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
New Year's Day
Sunny, with a high near 52. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 29. Calm wind.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Partly sunny, with a high near 54. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 58.
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)
12:24 pm EST Dec 30, 2025
6pm EST Dec 30, 2025-6pm EST Jan 6, 2026


