Wiley Tank Weather Forecast

    • 79
    • 106

    Hot

    • 77
    • 105

    Hot

    • 76
    • 104

    Hot

    • 76
    • 104

    Hot

    • 77
    • 104

    Hot

    • 76
    • 105

    Hot

    • 76
    • 104

    Hot

Today 27 Aug McMullen

Sunny, hot with Highs around 106. South Winds around 5 Mph, increasing to southeast this afternoon. Heat index Values up to 110 this afternoon.

Tonight 27 Aug McMullen

Mostly clear with a slight chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of rain 20 percent.

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Wiley Tank Temperature Statistics

August Temperature

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

  • Lowest 25 August, 2026

    73 °F

  • Average August

    90.8 °F

  • Highest 12 August, 2026

    106.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    64.7 °F

  • Average 2021–2026

    76.3 °F

  • Average High 2021–2026

    88.6 °F
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