Castro Crest Weather Forecast

    • 79
    • 92

    Increasing Clouds

    • 66
    • 90

    Rain Showers Likely

    • 65
    • 80

    Rain Showers Likely

    • 65
    • 77

    Chance Rain Showers

    • 66
    • 79

    Partly Sunny

    • 69
    • 82

    Slight Chance Rain Showers

    • 69
    • 84

    Slight Chance Rain Showers

Today 16 Sep Western Santa Monica Mountains Recreational Area

Areas of low Clouds and fog in the morning then sunny. Highs in the mid 80s to mid 90s except around 80 closer to the coast.

Tonight 16 Sep Western Santa Monica Mountains Recreational Area

Mostly clear in the evening then partly cloudy. Lows in the upper 60s and 70s except around 60 Colder Valleys.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castro Crest Temperature Statistics

September Temperature

Van Nuys, Van Nuys Airport (18.6 miles)

  • Lowest 11 September, 2025

    61 °F

  • Average September

    75.5 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (18.6 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79.6 °F
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