Spring Valley Weather Forecast

    • 60
    • 72

    Increasing Clouds

    • 58
    • 72

    Mostly Cloudy

    • 57
    • 75

    Partly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

Today 29 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 71 to 76. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph in the afternoon.

Tonight 29 Jun San Diego County Inland Valleys

Partly cloudy in the evening. Becoming cloudy overnight with patchy fog. Lows 50 to 58. Areas of Winds southwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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 (2021–2026)

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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