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.

A Few Clouds

78°F

26°C

Humidity 36%
Wind Speed NW 3 mph
Barometer 30.06 in (1016.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Apr 1:53 pm EDT
Extended Forecast for

Maryville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. West wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 48. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 63. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 42. Northwest wind 5 to 10 mph becoming east after midnight.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. South wind 5 to 10 mph becoming northwest in the morning.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. West wind around 5 mph.
Tonight
Mostly clear, with a low around 62. Calm wind.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 48. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers, mainly before 8am. High near 63. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Clear, with a low around 42. Northwest wind 5 to 10 mph becoming east after midnight.
Monday
Sunny, with a high near 69. South wind 5 to 10 mph becoming northwest in the morning.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
Last Update:
1:06 pm EDT Apr 17, 2026
Forecast Valid:
2pm EDT Apr 17, 2026-6pm EDT Apr 23, 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