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

55°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.13 in (1019.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 5 Mar 4:53 am EST
Extended Forecast for

Maryville TN

  • Today

    Today: Mostly sunny, with a high near 78. Southwest 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

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 81 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Partly cloudy, with a low around 57. South wind around 5 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 81.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
Last Update:
1:26 am EST Mar 5, 2026
Forecast Valid:
5am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation