Castle Rock Weather Forecast

    • 49
    • 60

    Rain Showers

    • 51
    • 59

    Rain Showers Likely

    • 51
    • 61

    Mostly Sunny

    • 52
    • 61

    Breezy

    • 56
    • 64

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 53
    • 63

    Breezy

Today 13 Oct Southern Monterey Bay and Big Sur Coast

Showers and a slight chance of Thunderstorms. Highs in the mid 60s. South Winds 5 to 15 Mph.

Tonight 13 Oct Southern Monterey Bay and Big Sur Coast

Showers and a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the mid 40s to lower 50s. Southwest Winds 5 to 15 Mph. Becoming south around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

October Temperature

Monterey Regional Airport (14.9 miles)

  • Lowest 5 October, 2025

    52 °F

  • Average October

    62.2 °F

  • Highest 1 October, 2025

    73 °F

Climate (2020–Present)

Monterey Regional Airport (14.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    65 °F
Get WillyWeather+ to remove ads