El Capitan Reservoir Weather Forecast

    • 52
    • 77

    Sunny

    • 55
    • 81

    Sunny

    • 55
    • 84

    Sunny

    • 54
    • 82

    Sunny

    • 55
    • 81

    Sunny

    • 56
    • 83

    Mostly Sunny

Today 7 Dec San Diego County Inland Valleys

Sunny. Highs 72 to 77. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 7 Dec San Diego County Inland Valleys

Patchy dense fog in the evening. Mostly clear. Local visibility one quarter mile or less at Times in the evening. Lows 45 to 52 in wind Sheltered Areas to 49 to 54 in warmer Locations. Light Winds becoming northeast to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

El Capitan Reservoir Temperature Statistics

December Temperature

Ramona, Ramona Airport (11.8 miles)

  • Lowest 1 December, 2025

    44.1 °F

  • Average December

    57.5 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (11.8 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.4 °F
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