Wiley Tank Weather Forecast

    • 76
    • 97

    Chance Thunderstorms

    • 76
    • 99

    Slight Chance Thunderstorms

    • 77
    • 101

    Hot

    • 76
    • 103

    Hot

    • 76
    • 101

    Slight Chance Thunderstorms

    • 76
    • 98

    Chance Thunderstorms

Today 26 Aug McMullen

Partly cloudy with a slight chance of Showers and Thunderstorms this Morning, then mostly cloudy with a chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. East Winds around 5 Mph, increasing to southeast with Gusts up to 20 Mph this afternoon. Chance of rain 50 percent.

Tonight 26 Aug McMullen

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. Southeast Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 40 percent.

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Wiley Tank Temperature Statistics

August Temperature

Cotulla, Cotulla-La Salle County Airport (32.3 miles)

  • Lowest 20 August, 2025

    74.6 °F

  • Average August

    89.9 °F

  • Highest 2 August, 2025

    105.7 °F

Climate (2020–Present)

Cotulla, Cotulla-La Salle County Airport (32.3 miles)

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  • Average Low 2020–2025

    64.3 °F

  • Average 2020–2025

    75.6 °F

  • Average High 2020–2025

    88 °F
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