Old Stone Fort State Park Weather Forecast

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 88

    Rain Showers Likely

    • 72
    • 89

    Slight Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 66
    • 88

    Slight Chance Thunderstorms

    • 65
    • 83

    Partly Sunny

Today 18 Jul Coffee

Patchy fog in the morning. Mostly sunny with a chance of Showers and Thunderstorms. Humid with Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 18 Jul Coffee

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the lower 70s. West Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Old Stone Fort State Park Temperature Statistics

July Temperature

Tullahoma Regional Airport/William Northern Field (9.9 miles)

  • Lowest 3 July, 2026

    68 °F

  • Average July

    77.5 °F

  • Highest 2 July, 2026

    95 °F

Climate (2021–2026)

Tullahoma Regional Airport/William Northern Field (9.9 miles)

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  • Average Low 2021–2026

    48.6 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.3 °F
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