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

69°F

21°C

Humidity 33%
Wind Speed S 5 mph
Barometer 30.11 in (1019.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 May 1:53 pm EDT
Extended Forecast for

Maryville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Calm wind becoming west around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Calm wind becoming west around 5 mph.
Tonight
Partly cloudy, with a low around 56. South wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. South wind around 5 mph.
Monday
Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Mostly sunny and hot, with a high near 93.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.99°W (Elev. 886 ft)
Last Update:
1:06 pm EDT May 15, 2026
Forecast Valid:
2pm EDT May 15, 2026-6pm EDT May 21, 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