Stephenville Weather Forecast

    • 67
    • 91

    Becoming Sunny

    • 67
    • 91

    Mostly Sunny

    • 68
    • 90

    Partly Sunny

    • 66
    • 89

    Chance Thunderstorms

    • 66
    • 88

    Chance Thunderstorms

    • 65
    • 89

    Chance Thunderstorms

Today 15 Sep Erath

Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph, becoming southeast this afternoon.

Tonight 15 Sep Erath

Mostly clear. Lows in the upper 60s. South Winds around 5 Mph.

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Stephenville Temperature Statistics

September Temperature

Stephenville, Clark Field Municipal Airport (0.6 miles)

  • Lowest 9 September, 2025

    58.1 °F

  • Average September

    76.4 °F

  • Highest 4 September, 2025

    100.6 °F

Climate (2020–Present)

Stephenville, Clark Field Municipal Airport (0.6 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    78.6 °F
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