Spring Valley Weather Forecast

    • 54
    • 67

    Chance Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 49
    • 70

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

Today 12 Apr San Diego County Inland Valleys

Mostly cloudy. A chance of Showers in the Morning, then Showers likely and a slight chance of Thunderstorms in the afternoon. Highs 65 to 69 in the western Valleys to 58 to 63 near the Foothills. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph. Becoming 30 Mph in the afternoon. Chance of measurable precipitation 70 percent.

Tonight 12 Apr San Diego County Inland Valleys

Mostly cloudy with a chance of Showers. Lows 41 to 49 in wind Sheltered Areas to 46 to 51 in warmer Locations. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 50 percent.

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Spring Valley Temperature Statistics

April Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.9 °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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