National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

84°F

29°C

Humidity 62%
Wind Speed SW 6 mph
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Jul 9:35 am EDT
Extended Forecast for

West Smithfield NC

Heat Advisory July 3, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 100. Heat index values as high as 106. Light and variable wind.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. Light southwest wind.

    Low: 74 °F

    Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 104. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 60%.

    High: 100 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 96. Chance of precipitation is 60%.

    High: 96 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 106. Light and variable wind.
Tonight
Clear, with a low around 74. Light southwest wind.
Independence Day
Sunny and hot, with a high near 104. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm after midnight.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74.
Monday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 96. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 95. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Smithfield NC
 35.54°N 78.36°W (Elev. 190 ft)
Last Update:
6:25 am EDT Jul 3, 2026
Forecast Valid:
10am EDT Jul 3, 2026-6pm EDT Jul 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation