El Capitan Reservoir Weather Forecast

    • 58
    • 84

    Sunny

    • 63
    • 88

    Mostly Sunny

    • 67
    • 93

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 64
    • 92

    Partly Sunny

    • 62
    • 88

    Partly Sunny

    • 61
    • 85

    Partly Sunny

Today 19 Sep San Diego County Inland Valleys

Partly cloudy in the morning. Becoming mostly sunny. Patchy fog in the morning. Highs 77 to 82 in the western Valleys to 81 to 86 near the Foothills. Light Winds.

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El Capitan Reservoir Temperature Statistics

September Temperature

Ramona, Ramona Airport (11.8 miles)

  • Lowest 15 September, 2021

    45 °F

  • Average September

    72.5 °F

  • Highest 4 September, 2021

    98.1 °F

Climate (2010–Present)

Ramona, Ramona Airport (11.8 miles)

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  • Average Low 2010–Present

    49.9 °F

  • Average 2010–Present

    62.7 °F

  • Average High 2010–Present

    77.1 °F
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