Rancho Penasquitos Weather Forecast

    • 62
    • 84

    Mostly Sunny

    • 61
    • 80

    Mostly Sunny

    • 60
    • 77

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 58
    • 68

    Chance Rain Showers

    • 56
    • 68

    Mostly Sunny

Today 18 Oct San Diego County Inland Valleys

Mostly sunny. Highs 86 to 89 in the western Valleys to 78 to 83 near the Foothills. Areas of Winds east to 10 Mph becoming west 10 Mph in the afternoon.

Tonight 18 Oct San Diego County Inland Valleys

Mostly clear. Lows 56 to 61. Light Winds.

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Rancho Penasquitos Temperature Statistics

October Temperature

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

  • Lowest 14 October, 2026

    51.1 °F

  • Average October

    74.8 °F

  • Highest 2 October, 2026

    104 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    72.7 °F
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