Castle Lake Weather Forecast

    • 63
    • 77

    Increasing Clouds

    • 39
    • 76

    Breezy

    • 36
    • 51

    Breezy

    • 33
    • 55

    Partly Sunny

    • 38
    • 60

    Partly Sunny

    • 46
    • 68

    Mostly Cloudy

Today 27 Dec Bandera

Cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 27 Dec Bandera

Partly cloudy and windy. Much cooler. Less humid with Lows in the upper 30s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming north 20 to 30 Mph with Gusts up to 45 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Lake Temperature Statistics

December Temperature

Kerrville, Kerrville Municipal Airport/Louis Schreiner Field (14.9 miles)

  • Lowest 9 December, 2025

    28.4 °F

  • Average December

    54.3 °F

  • Highest 13 December, 2025

    78.3 °F

Climate (2020–Present)

Kerrville, Kerrville Municipal Airport/Louis Schreiner Field (14.9 miles)

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  • Average Low 2020–2025

    55.8 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    80 °F
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