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.

Overcast

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 23 Aug 11:35 pm CDT
Extended Forecast for

Arnold AFB TN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Calm wind becoming north around 5 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. North wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming north northeast around 5 mph in the morning.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. North wind around 5 mph becoming calm.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 3am and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. North wind around 5 mph.
Monday
Mostly sunny, with a high near 78. Calm wind becoming north around 5 mph in the morning.
Monday Night
Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 51. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 76. Calm wind becoming north northeast around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 53. North wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 77.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold AFB TN
 35.37°N 86.15°W (Elev. 1099 ft)
Last Update:
10:54 pm CDT Aug 23, 2025
Forecast Valid:
11pm CDT Aug 23, 2025-6pm CDT Aug 30, 2025
 
Forecast Discussion
 
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Additional Resources

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