Arena Lake Weather Forecast

    • 58
    • 91

    Sunny

    • 49
    • 79

    Sunny

    • 58
    • 80

    Mostly Sunny

    • 64
    • 85

    Slight Chance Rain Showers

    • 60
    • 82

    Rain Showers Likely

    • 58
    • 80

    Slight Chance Rain Showers

    • 60
    • 83

    Mostly Sunny

Today 20 Oct Somervell

Sunny. Much warmer with Highs in the lower 90s. Southwest Winds 10 to 20 Mph.

Tonight 20 Oct Somervell

Clear. Lows in the upper 50s. Southwest Winds around 10 Mph, becoming north after midnight.

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Arena Lake Temperature Statistics

October Temperature

Stephenville, Clark Field Municipal Airport (20.5 miles)

  • Lowest 11 October, 2025

    56.8 °F

  • Average October

    74.7 °F

  • Highest 2 October, 2025

    90.9 °F

Climate (2020–Present)

Stephenville, Clark Field Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    66.7 °F

  • Average High 2020–2025

    78.7 °F
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