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

57°F

14°C

Humidity 64%
Wind Speed W 10 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Feb 2:53 am EST
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after 9pm. Cloudy, with a low around 59. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 4am. Low around 59. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Slight Chance
    Showers then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 69. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 47. West wind around 5 mph becoming east after midnight.

    Low: 47 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 50 percent chance of showers, mainly after 9pm. Cloudy, with a low around 59. Southwest wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers, with thunderstorms also possible after 4am. Low around 59. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly sunny, with a high near 69. West wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 47. West wind around 5 mph becoming east after midnight.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A slight chance of rain and snow showers before 1pm. Mostly sunny, with a high near 45. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 48.
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Forecast Area
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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 Feb 18, 2026
Forecast Valid:
3am EST Feb 18, 2026-6pm EST Feb 24, 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