Hazardous Weather Conditions
Current conditions at
Smithfield, Johnston County Airport (KJNX)
Lat: 35.54°NLon: 78.39°WElev: 164ft.
Thunderstorm in Vicinity Rain Fog/Mist
73°F
23°C
| Humidity | 94% |
| Wind Speed | Vrbl 6 G 16 mph |
| Barometer | 29.99 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 7.00 mi |
| Last update | 20 Aug 3:15 pm EDT |
Extended Forecast for
Clayton NC
Heat Advisory August 20, 03:23pm until August 20, 08:00pm
NOW until 8:00pm Thu

Heat Advisory
This Afternoon

High: 96 °F
Chance
T-stormsTonight

Low: 72 °F
T-storms
LikelyFriday
High: 91 °F
Mostly Sunny
then T-storms
LikelyFriday Night
Low: 70 °F
Heavy Rain
Saturday
High: 85 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 69 °F
Showers
Likely then
Mostly ClearSunday

High: 88 °F
Sunny
Sunday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly between 11pm and 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Low around 70. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Clayton NC
35.64°N 78.45°W (Elev. 299 ft)
35.64°N 78.45°W (Elev. 299 ft)
2:21 pm EDT Aug 20, 2026
3pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026



