Chacon Reservoir Weather Forecast

    • 43
    • 67

    Sunny

    • 46
    • 76

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 51
    • 67

    Mostly Cloudy

Today 9 Dec Medina

Sunny. Highs in the upper 60s. Southeast Winds around 5 Mph, becoming south this afternoon.

Tonight 9 Dec Medina

Clear. Lows in the lower 40s. South Winds around 5 Mph, becoming west after midnight.

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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

    50.8 °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

    84 °F
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