Castle Rock Weather Forecast

    • 63
    • 68

    Patchy Fog

    • 62
    • 70

    Breezy

    • 61
    • 68

    Breezy

    • 61
    • 68

    Breezy

    • 60
    • 68

    Mostly Cloudy

    • 61
    • 68

    Patchy Fog

Today 1 Oct San Miguel and Santa Rosa Islands

Areas of low Clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 1 Oct San Miguel and Santa Rosa Islands

Partly cloudy in the evening then cloudy. Lows in the upper 50s to mid 60s. Northwest Winds 20 to 30 Mph in the evening.

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Castle Rock Temperature Statistics

October Temperature

Lompoc, Lompoc Airport (42.3 miles)

  • Lowest

  • Average October

  • Highest

Climate (2020–Present)

Lompoc, Lompoc Airport (42.3 miles)

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  • Average Low 2020–2025

    48 °F
  • Average 2020–2025

    56.9 °F
  • Average High 2020–2025

    67.4 °F
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