Marshall Lake Weather Forecast

    • 76
    • 102

    Hot

    • 76
    • 102

    Hot

    • 74
    • 102

    Hot

    • 75
    • 100

    Hot

    • 74
    • 98

    Chance Thunderstorms

    • 73
    • 98

    Slight Chance Thunderstorms

Today 13 Sep Atascosa

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 101. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 108.

Tonight 13 Sep Atascosa

Mostly clear with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Highest heat index Readings up to 105 early in the evening.

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Marshall Lake Temperature Statistics

September Temperature

Pleasanton Municipal Airport (12.4 miles)

  • Lowest 10 September, 2026

    74.7 °F

  • Average September

    86.8 °F

  • Highest 3 September, 2026

    102 °F

Climate (2021–2026)

Pleasanton Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    61.3 °F

  • Average 2021–2026

    72.4 °F

  • Average High 2021–2026

    85 °F
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