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.

A Few Clouds

64°F

18°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 29 Sep 9:53 pm EDT
Extended Forecast for

Maryville TN

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. East wind around 5 mph becoming calm.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 87. East wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 60. South wind around 5 mph.
Thursday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 66. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 77. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
7:06 pm EDT Sep 29, 2026
Forecast Valid:
10pm EDT Sep 29, 2026-6pm EDT Oct 6, 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