Kirby Lake Weather Forecast

    • 68
    • 89

    Becoming Sunny

    • 67
    • 89

    Thunderstorms Likely

    • 62
    • 82

    Rain Showers Likely

    • 64
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 23 Oct Bexar

Mostly cloudy this Morning, then becoming partly cloudy. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 23 Oct Bexar

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. Southeast Winds 10 to 15 Mph.

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Kirby Lake Temperature Statistics

October Temperature

Castroville Municipal Airport (8.1 miles)

  • Lowest 19 October, 2025

    59 °F

  • Average October

    79.3 °F

  • Highest 1 October, 2025

    95 °F

Climate (2020–Present)

Castroville Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    61.2 °F

  • Average 2020–2025

    72 °F

  • Average High 2020–2025

    83.9 °F
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