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.

Partly Cloudy

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 1:55 am CDT
Extended Forecast for

8 Miles ENE Petersburg TN

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Partly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 82. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 64. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Partly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 82. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Petersburg TN
 35.34°N 86.49°W (Elev. 1007 ft)
Last Update:
1:50 am CDT Jun 21, 2026
Forecast Valid:
2am CDT Jun 21, 2026-6pm CDT Jun 27, 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