Blanco Tank Weather Forecast

    • 70
    • 96

    Partly Sunny

    • 71
    • 95

    Slight Chance Thunderstorms

    • 72
    • 95

    Slight Chance Thunderstorms

    • 72
    • 96

    Chance Rain Showers

    • 73
    • 95

    Slight Chance Thunderstorms

    • 74
    • 97

    Slight Chance Thunderstorms

Today 16 Sep McMullen

Sunny this Morning, then becoming partly cloudy. Hot with Highs in the mid 90s. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 16 Sep McMullen

Partly cloudy. Lows around 70. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming east around 5 Mph after midnight.

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Blanco Tank Temperature Statistics

September Temperature

Cotulla, Cotulla-La Salle County Airport (27.3 miles)

  • Lowest 9 September, 2025

    71.1 °F

  • Average September

    84.5 °F

  • Highest 4 September, 2025

    102.9 °F

Climate (2020–Present)

Cotulla, Cotulla-La Salle County Airport (27.3 miles)

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  • Average Low 2020–2025

    64.3 °F

  • Average 2020–2025

    75.7 °F

  • Average High 2020–2025

    88 °F
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