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.

Overcast

64°F

18°C

Humidity 90%
Wind Speed SW 14 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Oct 8:53 am EDT
Extended Forecast for

4 Miles WSW Mascot TN

  • Today

    Today: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 59. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 81. Southwest wind around 5 mph becoming calm.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 59. West wind 5 to 10 mph, with gusts as high as 20 mph.
Columbus Day
Mostly sunny, with a high near 81. Southwest wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Mascot TN
 36.04°N 83.82°W (Elev. 1001 ft)
Last Update:
7:06 am EDT Oct 11, 2026
Forecast Valid:
9am EDT Oct 11, 2026-6pm EDT Oct 17, 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