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.

Fair

76°F

24°C

Humidity 54%
Wind Speed SW 7 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Oct 6:53 pm EDT
Extended Forecast for

3 Miles W Mascot TN

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming northwest around 5 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 78. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 83. Northeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 59. Calm wind.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 78. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Showers and possibly a thunderstorm. Low around 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 61.
Columbus Day
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Mascot TN
 36.06°N 83.82°W (Elev. 1181 ft)
Last Update:
7:06 pm EDT Oct 7, 2026
Forecast Valid:
7pm EDT Oct 7, 2026-6pm EDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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