National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

75°F

24°C

Humidity 82%
Wind Speed NE 7 mph
Barometer 30.08 in (1017.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 3 Oct 6:53 pm EDT
Extended Forecast for

Maryville TN

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 67 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 79. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Cloudy, with a low around 62. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 80. Northeast wind 10 to 15 mph.

    High: 80 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Northeast wind around 10 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the morning.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 79. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Cloudy, with a low around 62. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Monday
Partly sunny, then gradually becoming sunny, with a high near 80. Northeast wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 51. Northeast wind around 10 mph.
Tuesday
Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.99°W (Elev. 886 ft)
Last Update:
7:06 pm EDT Oct 3, 2026
Forecast Valid:
7pm EDT Oct 3, 2026-6pm EDT Oct 10, 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