Castro Crest Weather Forecast

    • 56
    • 64

    Increasing Clouds

    • 57
    • 66

    Mostly Cloudy

    • 59
    • 63

    Rain Showers

    • 58
    • 61

    Rain Showers

    • 57
    • 62

    Rain Showers

    • 55
    • 61

    Rain Showers

Today 21 Dec Western Santa Monica Mountains Recreational Area

Cloudy in the morning then sunny. Highs in the mid to upper 60s.

Tonight 21 Dec Western Santa Monica Mountains Recreational Area

Low Clouds and fog developing. Lows in the mid 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castro Crest Temperature Statistics

December Temperature

Van Nuys, Van Nuys Airport (18.6 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    62.6 °F

  • Highest 18 December, 2025

    86 °F

Climate (2020–Present)

Van Nuys, Van Nuys Airport (18.6 miles)

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  • Average Low 2020–2025

    56.5 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    79.3 °F
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