Spring Valley Weather Forecast

    • 71
    • 101

    Hot

    • 70
    • 97

    Mostly Sunny

    • 69
    • 95

    Mostly Sunny

    • 67
    • 92

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 61
    • 77

    Chance Rain Showers

    • 58
    • 73

    Chance Rain Showers

Today 6 Oct San Diego County Inland Valleys

Partly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Highs around 76 in the western Valleys to 68 to 73 near the Foothills.

Tonight 6 Oct San Diego County Inland Valleys

Mostly clear. Lows 68 to 72. Areas of Winds east to 10 Mph this evening becoming light.

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Spring Valley Temperature Statistics

October Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    77.9 °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

    53.6 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    76.4 °F
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