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

68°F

20°C

Humidity 63%
Wind Speed SW 6 mph
Barometer 30.19 in (1021.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 5 Mar 9:53 am EST
Extended Forecast for

4 Miles SSE Maryville TN

  • Today

    Today: Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °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 and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. 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, with thunderstorms also possible after 4pm. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. Southwest wind around 5 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 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 58. 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 and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
Showers likely, with thunderstorms also possible after 4pm. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. Southwest wind around 5 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 75.
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 65.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Maryville TN
 35.71°N 83.94°W (Elev. 988 ft)
Last Update:
6:06 am EST Mar 5, 2026
Forecast Valid:
10am EST Mar 5, 2026-6pm EDT Mar 11, 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