Jolly Lake Weather Forecast

    • 72
    • 93

    Slight Chance Thunderstorms

    • 69
    • 92

    Chance Thunderstorms

    • 65
    • 85

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

    • 60
    • 78

    Slight Chance Rain Showers

    • 57
    • 78

    Partly Sunny

Today 20 Sep Overton

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 20 Sep Overton

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jolly Lake Temperature Statistics

September Temperature

Sparta Upper Cumberland Regional Airport (30.4 miles)

  • Lowest 15 September, 2026

    64.4 °F

  • Average September

    79 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

Sparta Upper Cumberland Regional Airport (30.4 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    70.6 °F
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