Spring Valley Weather Forecast

    • 60
    • 83

    Increasing Clouds

    • 60
    • 81

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 64
    • 85

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

Today 5 Jul San Diego County Inland Valleys

Partly cloudy this morning. Becoming sunny. Highs 82 to 86 in the western Valleys to 87 to 92 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 5 Jul San Diego County Inland Valleys

Mostly clear. Lows 52 to 60. Areas of Winds west to 10 Mph in the evening becoming light.

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Spring Valley Temperature Statistics

July Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 1 July, 2025

    62.6 °F

  • Average July

    66.1 °F

  • Highest 1 July, 2025

    84.2 °F

Climate (2020–Present)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    76.1 °F
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