Castroville Weather Forecast

    • 56
    • 68

    Partly Sunny

    • 63
    • 73

    Mostly Cloudy

    • 66
    • 82

    Partly Sunny

    • 60
    • 74

    Partly Sunny

    • 58
    • 69

    Partly Sunny

    • 56
    • 68

    Partly Sunny

    • 56
    • 68

    Partly Sunny

Today 7 Sep Southern Monterey Bay and Big Sur Coast

Sunny. Highs in the 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Sep Southern Monterey Bay and Big Sur Coast

Mostly clear. Lows in the upper 50s. Northwest Winds up to 5 Mph in the evening. Becoming light.

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Castroville Temperature Statistics

September Temperature

Salinas, Salinas Municipal Airport (10.6 miles)

  • Lowest 2 September, 2026

    52.6 °F

  • Average September

    66.8 °F

  • Highest 4 September, 2026

    78.7 °F

Climate (2021–2026)

Salinas, Salinas Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    50.6 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.2 °F
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