Costello Lake Weather Forecast

    • 39
    • 67

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 43
    • 74

    Sunny

    • 40
    • 68

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 53
    • 78

    Partly Sunny

Today 31 Dec Palo Pinto

Sunny. Not as cool with Highs in the upper 60s. Southwest Winds around 5 Mph.

Tonight 31 Dec Palo Pinto

Mostly clear. Lows around 40. Southwest Winds around 5 Mph.

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Costello Lake Temperature Statistics

December Temperature

Mineral Wells, Mineral Wells Airport (12.4 miles)

  • Lowest 15 December, 2025

    21.9 °F

  • Average December

    51.7 °F

  • Highest 26 December, 2025

    87.1 °F

Climate (2020–Present)

Mineral Wells, Mineral Wells Airport (12.4 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    79.9 °F
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