Costello Lake Weather Forecast

    • 52
    • 67

    Decreasing Clouds

    • 35
    • 67

    Mostly Sunny

    • 50
    • 67

    Sunny

    • 46
    • 82

    Sunny

    • 43
    • 68

    Partly Sunny

    • 50
    • 74

    Mostly Sunny

Today 17 Dec Palo Pinto

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the upper 60s. Southwest Winds around 5 Mph.

Tonight 17 Dec Palo Pinto

Partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph.

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Costello Lake Temperature Statistics

December Temperature

Mineral Wells, Mineral Wells Airport (12.4 miles)

  • Lowest 2 December, 2025

    25 °F

  • Average December

    45 °F

  • Highest 12 December, 2025

    73 °F

Climate (2020–Present)

Mineral Wells, Mineral Wells Airport (12.4 miles)

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  • Average Low 2020–2025

    55.1 °F

  • Average 2020–2025

    67.1 °F

  • Average High 2020–2025

    79.8 °F
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