Black Mountain Ranch Weather Forecast

    • 72
    • 100

    Hot

    • 69
    • 94

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

Today 9 Sep San Diego County Coastal Areas

Mostly sunny. Highs 88 to 93 near the coast to 97 to 102 inland. Areas of Winds west to 10 Mph.

Tonight 9 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Lows around 73. 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 3 September, 2026

    57 °F

  • Average September

    73.2 °F

  • Highest 7 September, 2026

    98.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.5 °F
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