Spring Valley Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 67
    • 89

    Patchy Fog

    • 67
    • 84

    Partly Sunny

    • 66
    • 84

    Partly Sunny

    • 66
    • 84

    Partly Sunny

Today 14 Jul San Diego County Inland Valleys

Mostly sunny. Highs 85 to 90 in the western Valleys to 91 to 96 near the Foothills. Areas of Winds west to 10 Mph becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 14 Jul San Diego County Inland Valleys

Mostly clear. Lows 64 to 69. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Real-Time

Spring Valley Temperature Statistics

July Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 2 July, 2026

    60.8 °F

  • Average July

    68.6 °F

  • Highest 4 July, 2026

    91.4 °F

Climate (2021–2026)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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