Lake Ramona Weather Forecast

    • 69
    • 87

    Slight Chance Rain Showers

    • 70
    • 85

    Slight Chance Rain Showers

    • 69
    • 90

    Partly Sunny

    • 69
    • 91

    Mostly Sunny

    • 69
    • 92

    Slight Chance Rain Showers

    • 66
    • 89

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

Today 5 Sep San Diego County Inland Valleys

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers this afternoon. Highs 86 to 91. Areas of Winds southwest to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 5 Sep San Diego County Inland Valleys

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 66 to 72. Light Winds. Chance of measurable precipitation 20 percent.

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Lake Ramona Temperature Statistics

September Temperature

Ramona, Ramona Airport (4.3 miles)

  • Lowest 3 September, 2026

    50 °F

  • Average September

    68.3 °F

  • Highest 1 September, 2026

    88 °F

Climate (2021–2026)

Ramona, Ramona Airport (4.3 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.9 °F
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