Spring Valley Weather Forecast

    • 52
    • 81

    Partly Sunny

    • 52
    • 79

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 50
    • 70

    Patchy Fog

Today 17 Jan San Diego County Inland Valleys

Mostly sunny. Highs 80 to 83 in the western Valleys to 74 to 79 near the Foothills. Areas of Winds east 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph this afternoon.

Tonight 17 Jan San Diego County Inland Valleys

Partly cloudy. Lows 46 to 54 in wind Sheltered Areas to 50 to 57 in warmer Locations. Areas of Winds east 10 to 20 Mph. Gusts to 35 Mph. Becoming 30 Mph overnight.

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Spring Valley Temperature Statistics

January Temperature

Gillespie Field Airport (5.6 miles)

  • Lowest 10 January, 2026

    35.6 °F

  • Average January

    53.5 °F

  • Highest 14 January, 2026

    82.4 °F

Climate (2021–Present)

Gillespie Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    75.8 °F
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