Spring Valley Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 58
    • 74

    Mostly Cloudy

    • 60
    • 72

    Mostly Cloudy

    • 59
    • 69

    Chance Rain Showers

    • 58
    • 68

    Rain Showers Likely

    • 55
    • 67

    Rain Showers Likely

Today 26 Oct San Diego County Inland Valleys

Partly cloudy. A chance of Showers. Highs around 71 in the western Valleys to 62 to 67 near the Foothills.

Tonight 26 Oct San Diego County Inland Valleys

Mostly clear. Lows 51 to 55. Areas of Winds northwest to 10 Mph this evening becoming light.

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Spring Valley Temperature Statistics

October Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 14 October, 2026

    50 °F

  • Average October

    70.9 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.5 °F
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