Tullahoma Regional Airport (William Northern Field) Weather Forecast

    • 29
    • 59

    Rain Showers

    • 29
    • 44

    Mostly Sunny

    • 39
    • 58

    Chance Rain Showers

    • 30
    • 52

    Partly Sunny

    • 41
    • 54

    Mostly Cloudy

    • 48
    • 58

    Mostly Cloudy

Today 18 Dec Coffee

Showers. Highs in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 18 Dec Coffee

Rain Showers with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 20s. Southwest Winds 15 to 20 Mph, becoming west around 10 Mph after midnight. Chance of rain near 100 percent.

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Tullahoma Regional Airport (William Northern Field) Temperature Statistics

December Temperature

Tullahoma Regional Airport/William Northern Field (0 miles)

  • Lowest 15 December, 2025

    8.6 °F

  • Average December

    35.4 °F

  • Highest 13 December, 2025

    62.6 °F

Climate (2020–Present)

Tullahoma Regional Airport/William Northern Field (0 miles)

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  • Average Low 2020–2025

    48.3 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69.9 °F
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