Founders Park Weather Forecast

    • 66
    • 75

    Mostly Cloudy

    • 62
    • 82

    Gradual Clearing

    • 61
    • 83

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 68
    • 91

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

Today 6 Sep Collin

Partly sunny with a 20 percent chance of Showers and Thunderstorms. Much cooler with Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 6 Sep Collin

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 60s. Northeast Winds around 5 Mph.

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Founders Park Temperature Statistics

September Temperature

Rockwall Municipal Airport (8.7 miles)

  • Lowest 4 September, 2025

    68.7 °F

  • Average September

    78.8 °F

  • Highest 4 September, 2025

    98.4 °F

Climate (2020–Present)

Rockwall Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    57.2 °F

  • Average 2020–2025

    66.4 °F

  • Average High 2020–2025

    76.5 °F
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