Stephenville Weather Forecast

    • 72
    • 98

    Slight Chance Thunderstorms

    • 72
    • 97

    Chance Rain Showers

    • 72
    • 98

    Hot

    • 72
    • 100

    Hot

    • 71
    • 98

    Hot

    • 71
    • 97

    Hot

Today 9 Sep Erath

Mostly sunny. A 20 percent chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 90s. South Winds around 5 Mph.

Tonight 9 Sep Erath

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

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Stephenville Temperature Statistics

September Temperature

Stephenville, Clark Field Municipal Airport (0.6 miles)

  • Lowest 5 September, 2026

    71.7 °F

  • Average September

    86.8 °F

  • Highest 2 September, 2026

    101.6 °F

Climate (2021–2026)

Stephenville, Clark Field Municipal Airport (0.6 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    80 °F
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