Ross Lake Weather Forecast

    • 55
    • 67

    Chance Rain Showers

    • 54
    • 68

    Decreasing Clouds

    • 57
    • 75

    Sunny

    • 60
    • 79

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 59
    • 78

    Partly Sunny

Today 22 Oct San Diego County Inland Valleys

Partly cloudy. Highs 73 to 77 in the western Valleys to 68 to 73 near the Foothills.

Tonight 22 Oct San Diego County Inland Valleys

Partly cloudy with a slight chance of Showers this Evening, then mostly cloudy with a chance of Showers overnight. Cooler. Lows 49 to 55. Areas of Winds west to 10 Mph this evening becoming light. Chance of measurable precipitation 50 percent.

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  • Temperature Real-Time

Ross Lake Temperature Statistics

October Temperature

Fallbrook Community Airpark (6.2 miles)

  • Lowest 13 October, 2026

    51.8 °F

  • Average October

    75.1 °F

  • Highest 4 October, 2026

    102.2 °F

Climate (2021–2026)

Fallbrook Community Airpark (6.2 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    74.6 °F
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