Castle Lake Weather Forecast

    • 66
    • 79

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers Likely

    • 66
    • 83

    Rain Showers

    • 65
    • 84

    Rain Showers Likely

    • 68
    • 85

    Slight Chance Thunderstorms

    • 70
    • 85

    Chance Thunderstorms

Today 21 May Bandera

Mostly cloudy this Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms. Highs in the upper 70s. East Winds around 5 Mph, becoming south around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 21 May Bandera

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Lake Temperature Statistics

May Temperature

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

  • Lowest 2 May, 2026

    45.1 °F

  • Average May

    70.7 °F

  • Highest 9 May, 2026

    89.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    80.4 °F
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