Ross Lake Weather Forecast

    • 68
    • 96

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

    • 68
    • 96

    Mostly Sunny

    • 65
    • 95

    Partly Sunny

    • 64
    • 92

    Partly Sunny

    • 64
    • 90

    Partly Sunny

Today 23 Jul San Diego County Inland Valleys

Mostly sunny. Warmer. Highs 89 to 94 in the western Valleys to 97 to 102 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 23 Jul San Diego County Inland Valleys

Mostly clear. Lows 67 to 74. Areas of Winds west to 10 Mph in the evening becoming light.

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Ross Lake Temperature Statistics

July Temperature

Fallbrook Community Airpark (6.2 miles)

  • Lowest 10 July, 2026

    57.2 °F

  • Average July

    70.4 °F

  • Highest 15 July, 2026

    93.2 °F

Climate (2021–2026)

Fallbrook Community Airpark (6.2 miles)

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  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    74.5 °F
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