Spring Valley Weather Forecast

    • 50
    • 73

    Becoming Sunny

    • 54
    • 72

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 54
    • 72

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

Today 20 Apr San Diego County Inland Valleys

Mostly sunny. Highs 72 to 77. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 20 Apr San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 44 to 49. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Spring Valley Temperature Statistics

April Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.3 °F

  • Highest 4 April, 2026

    87.8 °F

Climate (2021–Present)

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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