Black Mountain Ranch Weather Forecast

    • 65
    • 82

    Becoming Sunny

    • 66
    • 86

    Mostly Sunny

    • 67
    • 85

    Chance Rain Showers

    • 66
    • 84

    Chance Rain Showers

    • 66
    • 83

    Slight Chance Thunderstorms

    • 65
    • 83

    Slight Chance Thunderstorms

Today 15 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 63 to 67. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Mountain Ranch Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (8.7 miles)

  • Lowest 9 September, 2025

    60.1 °F

  • Average September

    71.1 °F

  • Highest 7 September, 2025

    89.1 °F

Climate (2020–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (8.7 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    72.3 °F
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