Graham Cave State Park Weather Forecast

    • 69
    • 95

    Mostly Sunny

    • 70
    • 93

    Mostly Sunny

    • 68
    • 93

    Partly Sunny

    • 64
    • 87

    Chance Rain Showers

    • 58
    • 78

    Chance Rain Showers

    • 56
    • 75

    Slight Chance Rain Showers

Today 17 Sep Montgomery

Sunny, hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 17 Sep Montgomery

Mostly clear. Humid with Lows around 70. Southwest Winds around 5 Mph, becoming north around 5 Mph after midnight. Heat index Values up to 102 early in the evening.

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Graham Cave State Park Temperature Statistics

September Temperature

Columbia, Columbia Regional Airport (34.2 miles)

  • Lowest 14 September, 2026

    61 °F

  • Average September

    79.8 °F

  • Highest 5 September, 2026

    100 °F

Climate (2021–2026)

Columbia, Columbia Regional Airport (34.2 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    67.5 °F
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