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

86°F

30°C

Humidity 33%
Wind Speed Vrbl 5 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 4:15 pm EDT
Extended Forecast for

Knightdale NC

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 100. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 66. West wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 71. South wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 100. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knightdale NC
 35.78°N 78.49°W (Elev. 295 ft)
Last Update:
2:28 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 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