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

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

75°F

24°C

Humidity 79%
Wind Speed N 8 mph
Barometer 30.14 in (1019.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Sep 11:53 pm EDT
Extended Forecast for

4 Miles WSW Knoxville TN

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Northeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming southwest around 5 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind becoming southwest around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 94. Calm wind.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Northeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 71. Calm wind becoming southwest around 5 mph.
Wednesday
Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind.
Wednesday Night
Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 94. Calm wind.
Thursday Night
Partly cloudy, with a low around 70. Northeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 95.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 95.
Saturday Night
Mostly clear, with a low around 71.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Knoxville TN
 35.94°N 84.03°W (Elev. 974 ft)
Last Update:
7:01 pm EDT Sep 14, 2026
Forecast Valid:
12am EDT Sep 15, 2026-6pm EDT Sep 21, 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