Mustang Lake Weather Forecast

    • 74
    • 100

    Hot

    • 74
    • 100

    Hot

    • 73
    • 99

    Hot

    • 72
    • 97

    Slight Chance Thunderstorms

    • 70
    • 96

    Mostly Sunny

    • 71
    • 96

    Mostly Sunny

Today 14 Sep Bosque

Sunny, hot with Highs around 100. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon. Heat index Values up to 105.

Tonight 14 Sep Bosque

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mustang Lake Temperature Statistics

September Temperature

Stephenville, Clark Field Municipal Airport (24.2 miles)

  • Lowest 5 September, 2026

    71.7 °F

  • Average September

    87.1 °F

  • Highest 8 September, 2026

    102.7 °F

Climate (2021–2026)

Stephenville, Clark Field Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    80 °F
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