Blanco Tank Weather Forecast

    • 46
    • 71

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 58
    • 76

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

Today 9 Dec McMullen

Sunny. Highs in the lower 70s. East Winds around 5 Mph, increasing to south around 5 Mph in the afternoon.

Tonight 9 Dec McMullen

Mostly clear. Not as cool with Lows in the mid 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blanco Tank Temperature Statistics

December Temperature

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

  • Lowest 2 December, 2025

    37 °F

  • Average December

    53.5 °F

  • Highest 6 December, 2025

    77 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    64.5 °F

  • Average 2020–2025

    75.8 °F

  • Average High 2020–2025

    88.1 °F
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