Spring Valley Weather Forecast

    • 64
    • 80

    Patchy Fog

    • 62
    • 80

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 74

    Partly Sunny

    • 59
    • 74

    Partly Sunny

Today 16 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 77 to 82 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 16 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 58 to 62. Areas of Winds west to 10 Mph in the evening becoming light.

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Spring Valley Temperature Statistics

June Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.6 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–Present)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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