Castle Rock Weather Forecast

    • 49
    • 63

    Increasing Clouds

    • 49
    • 61

    Decreasing Clouds

    • 50
    • 63

    Rain Showers

    • 49
    • 59

    Rain Showers

    • 48
    • 60

    Slight Chance Rain Showers

    • 48
    • 60

    Breezy

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    • 60

    Partly Sunny

Today 18 Apr Southern Monterey Bay and Big Sur Coast

Partly cloudy. Highs near 70. West Winds around 5 Mph.

Tonight 18 Apr Southern Monterey Bay and Big Sur Coast

Mostly cloudy. Lows in the upper 40s. Northwest Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

April Temperature

Monterey Regional Airport (14.9 miles)

  • Lowest 3 April, 2026

    44.7 °F

  • Average April

    59.3 °F

  • Highest 4 April, 2026

    81.6 °F

Climate (2021–Present)

Monterey Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    65.3 °F
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