National Weather Service

News Headlines

Winter Recap 2025-26: Cool and Dry, With a Snowy Centerpiece

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Partly Cloudy

57°F

14°C

Humidity	88%
Wind Speed	S 5 mph
Barometer	30.19 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	26 Mar 8:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Smithfield, Johnston County Airport NC

Today
High: 80 °F
Mostly Sunny
Tonight
Low: 59 °F
Mostly Clear
Friday
High: 88 °F
Mostly Sunny
Friday Night
Low: 45 °F
Showers
Likely
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 32 °F
Clear
Sunday
High: 65 °F
Sunny
Sunday Night
Low: 43 °F
Partly Cloudy
Monday
High: 75 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 80. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

Tonight

Mostly clear, with a low around 59. South wind 7 to 10 mph.

Friday

Mostly sunny, with a high near 88. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

Friday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 45. West wind 7 to 9 mph becoming north in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 58. North wind around 14 mph, with gusts as high as 25 mph.

Saturday Night

Clear, with a low around 32.

Sunday

Sunny, with a high near 65.

Sunday Night

Partly cloudy, with a low around 43.

Monday

Mostly sunny, with a high near 75.

Monday Night

Mostly clear, with a low around 53.