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

Athens McMinn County Airport (KMMI)

Lat: 35.4°NLon: 84.56°WElev: 874ft.

Fair

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 8 Oct 1:55 am EDT
Extended Forecast for

3 Miles W Decatur TN

  • Overnight

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

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. East wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Thursday
Sunny, with a high near 86. Calm wind.
Thursday Night
Mostly clear, with a low around 55. Calm wind.
Friday
Mostly sunny, with a high near 84. East wind around 5 mph.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 57. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. East wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Decatur TN
 35.52°N 84.84°W (Elev. 702 ft)
Last Update:
1:06 am EDT Oct 8, 2026
Forecast Valid:
2am EDT Oct 8, 2026-6pm EDT Oct 14, 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