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

67°F

19°C

Humidity 79%
Wind Speed NE 5 mph
Barometer 30.20 in (1021.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Sep 10:53 am EDT
Extended Forecast for

Maryville TN

  • Today

    Today: A chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Northeast wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. East wind around 5 mph becoming northwest in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Northeast wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. North wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 57. Northeast wind around 5 mph.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 75. East wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 75. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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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:
7:06 am EDT Sep 24, 2026
Forecast Valid:
11am EDT Sep 24, 2026-6pm EDT Sep 30, 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