Hazardous Weather Conditions
Current conditions at
Smithfield, Johnston County Airport (KJNX)
Lat: 35.54°NLon: 78.39°WElev: 164ft.
Overcast
81°F
27°C
| Humidity | 74% |
| Wind Speed | SW 14 G 24 mph |
| Barometer | 29.89 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 18 Jun 8:55 am EDT |
Extended Forecast for
Smithfield, Johnston County Airport NC
Heat Advisory June 18, 11:00am until June 18, 08:00pm
Today
High: 99 °F
Hot
Tonight
Low: 71 °F
Slight Chance
T-storms then
ShowersJuneteenth
High: 88 °F
Showers then
Chance
T-stormsFriday Night
Low: 64 °F
Partly Cloudy
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Partly Cloudy
Monday
High: 95 °F
Mostly Sunny
then Showers
Likely
Detailed Forecast
Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 71. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms, mainly before 2pm. High near 88. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 64. Calm wind.
Saturday
Sunny, with a high near 90. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 90.
Additional Forecasts and Information
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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)
5:20 am EDT Jun 18, 2026
9am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
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