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

79°F

26°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 30.03 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 7 Oct 12:15 pm CDT
Extended Forecast for

Arnold AFB TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 5 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. North northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East southeast wind around 5 mph.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. East southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 58. Southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 72. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 72 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 5 mph.
Tonight
Patchy fog after 2am. Otherwise, clear, with a low around 55. Calm wind.
Thursday
Areas of fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. North northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East southeast wind around 5 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. East southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 58. Southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 72. South southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold AFB TN
 35.37°N 86.15°W (Elev. 1099 ft)
Last Update:
1:31 pm CDT Oct 7, 2026
Forecast Valid:
2pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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