Lake Tullahoma Weather Forecast

    • 50
    • 79

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

    • 66
    • 89

    Partly Sunny

    • 67
    • 89

    Partly Sunny

    • 66
    • 88

    Chance Rain Showers

Today 27 Sep Coffee

Sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 27 Sep Coffee

Mostly clear. Lows around 50. Northeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Lake Tullahoma Temperature Statistics

September Temperature

Tullahoma Regional Airport/William Northern Field (2.5 miles)

  • Lowest 25 September, 2026

    59 °F

  • Average September

    79.4 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

Tullahoma Regional Airport/William Northern Field (2.5 miles)

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  • Average Low 2021–2026

    48.8 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    70.6 °F
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