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

Tullahoma Regional Airport/William Northern Field (KTHA)

Lat: 35.38°NLon: 86.25°WElev: 1083ft.

Fair

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 May 2:15 am CDT
Extended Forecast for

Tullahoma TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 1am, then a chance of showers. Patchy fog after 9pm. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming north around 5 mph. Chance of precipitation is 70%.

    High: 80 °F

    Chance
    Showers and
    Areas Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Patchy fog between 9pm and midnight. Low around 63. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 80. South southwest wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Calm wind.
Wednesday
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms before 1am, then a chance of showers. Patchy fog after 9pm. Low around 63. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming north around 5 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Patchy fog between 9pm and midnight. Low around 63. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 80. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 80. South southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Memorial Day
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
Showers and thunderstorms. High near 82. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tullahoma TN
 35.4°N 86.23°W (Elev. 1076 ft)
Last Update:
1:31 am CDT May 20, 2026
Forecast Valid:
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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