Castroville Weather Forecast

    • 38
    • 68

    Mostly Sunny

    • 50
    • 75

    Decreasing Clouds

    • 52
    • 86

    Sunny

    • 47
    • 81

    Sunny

    • 51
    • 76

    Partly Sunny

    • 56
    • 77

    Mostly Cloudy

    • 56
    • 80

    Partly Sunny

Today 31 Dec Medina

Sunny. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph.

Tonight 31 Dec Medina

Clear this Evening, then becoming partly cloudy. Lows in the upper 30s. Southwest Winds around 5 Mph.

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Castroville Temperature Statistics

December Temperature

Castroville Municipal Airport (1.9 miles)

  • Lowest 9 December, 2025

    32 °F

  • Average December

    58.4 °F

  • Highest 7 December, 2025

    82.4 °F

Climate (2021–Present)

Castroville Municipal Airport (1.9 miles)

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  • Average Low 2021–2025

    61.4 °F

  • Average 2021–2025

    72.1 °F

  • Average High 2021–2025

    84 °F
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