Diversion Lake Weather Forecast

    • 63
    • 88

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 65
    • 93

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

Today 16 Oct Medina

Mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 16 Oct Medina

Clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Diversion Lake Temperature Statistics

October Temperature

Castroville Municipal Airport (13 miles)

  • Lowest 12 October, 2025

    60.8 °F

  • Average October

    79.8 °F

  • Highest 1 October, 2025

    95 °F

Climate (2020–Present)

Castroville Municipal Airport (13 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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