Rancho San Diego Weather Forecast

    • 69
    • 91

    Becoming Sunny

    • 76
    • 103

    Hot

    • 76
    • 104

    Hot

    • 77
    • 100

    Hot

    • 76
    • 101

    Hot

    • 75
    • 100

    Hot

Today 1 Oct San Diego County Inland Valleys

Mostly sunny. Highs 88 to 92 in the western Valleys to 90 to 95 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 1 Oct San Diego County Inland Valleys

Mostly clear. Lows 64 to 68. Light Winds.

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Rancho San Diego Temperature Statistics

October Temperature

Gillespie Field Airport (5.6 miles)

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Climate (2021–2026)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    76.4 °F
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