Chacon Reservoir Weather Forecast

    • 41
    • 76

    Sunny

    • 49
    • 70

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 55
    • 65

    Mostly Cloudy

Today 10 Dec Medina

Sunny. Highs in the mid 70s. Northwest Winds around 5 Mph, increasing to north 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 10 Dec Medina

Clear. Lows in the upper 30s. North Winds 5 to 10 Mph.

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Chacon Reservoir Temperature Statistics

December Temperature

Castroville Municipal Airport (6.8 miles)

  • Lowest 3 December, 2025

    33.8 °F

  • Average December

    52.2 °F

  • Highest 7 December, 2025

    82.4 °F

Climate (2020–Present)

Castroville Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    61.3 °F

  • Average 2020–2025

    72.1 °F

  • Average High 2020–2025

    83.9 °F
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