Rancho Penasquitos Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 60
    • 80

    Increasing Clouds

    • 61
    • 75

    Partly Sunny

    • 59
    • 72

    Mostly Cloudy

    • 58
    • 72

    Patchy Fog

    • 59
    • 74

    Patchy Fog

    • 59
    • 75

    Patchy Fog

Today 7 Sep San Diego County Inland Valleys

Mostly sunny. Highs 88 to 93. Areas of Winds west to 10 Mph.

Tonight 7 Sep San Diego County Inland Valleys

Mostly clear. Lows 62 to 66. Light Winds.

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Rancho Penasquitos Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (6.8 miles)

  • Lowest 1 September, 2025

    62.1 °F

  • Average September

    72.8 °F

  • Highest 3 September, 2025

    87.1 °F

Climate (2020–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (6.8 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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