Spring Valley Weather Forecast

    • 55
    • 68

    Chance Rain Showers

    • 53
    • 71

    Mostly Sunny

    • 58
    • 76

    Mostly Sunny

    • 65
    • 86

    Sunny

    • 68
    • 89

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

Today 12 Oct San Diego County Inland Valleys

Mostly sunny. Highs 80 to 85.

Tonight 12 Oct San Diego County Inland Valleys

Mostly cloudy this evening. Becoming partly cloudy. A chance of Showers. Lows 47 to 54. Areas of Winds southwest to 10 Mph this evening becoming light. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spring Valley Temperature Statistics

October Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    76.9 °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

    60.7 °F

  • Average High 2021–2026

    76.5 °F
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