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

36°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.15 in (1021.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 3 Dec 6:53 pm EST
Extended Forecast for

4 Miles SSE Maryville TN

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 46. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 35. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 3pm, then showers likely after 3pm. High near 45. Calm wind. Chance of precipitation is 80%.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Showers likely, mainly before 7pm. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 10pm, then a slight chance of rain after 10pm. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of rain before 10am, then a chance of showers after 10am. Partly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 46. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Rain, mainly after 1am. Low around 35. Northeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 3pm, then showers likely after 3pm. High near 45. Calm wind. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 7pm. Cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A slight chance of showers before 10pm, then a slight chance of rain after 10pm. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of rain before 10am, then a chance of showers after 10am. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Sunday Night
A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Monday
A chance of rain and snow before 9am, then a slight chance of rain between 9am and 1pm. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Maryville TN
 35.71°N 83.94°W (Elev. 988 ft)
Last Update:
6:11 pm EST Dec 3, 2025
Forecast Valid:
7pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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