Stephenville Weather Forecast

    • 71
    • 96

    Slight Chance Thunderstorms

    • 68
    • 95

    Partly Sunny

    • 67
    • 95

    Mostly Cloudy

    • 70
    • 95

    Mostly Cloudy

    • 70
    • 95

    Slight Chance Thunderstorms

    • 69
    • 94

    Chance Rain Showers

Today 23 Sep Erath

Partly sunny. A 20 percent chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. East Winds 5 to 10 Mph.

Tonight 23 Sep Erath

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the lower 70s. East Winds around 5 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

    87 °F

  • Highest 12 September, 2026

    103.6 °F

Climate (2021–2026)

Stephenville, Clark Field Municipal Airport (0.6 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    80.1 °F
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