El Capitan Reservoir Weather Forecast

    • 52
    • 76

    Increasing Clouds

    • 55
    • 68

    Rain Showers

    • 55
    • 67

    Rain Showers

    • 51
    • 66

    Rain Showers

    • 48
    • 63

    Rain Showers Likely

    • 46
    • 63

    Chance Rain Showers

Today 22 Dec San Diego County Inland Valleys

Mostly cloudy this morning. Becoming partly cloudy. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 68 to 72 in the western Valleys to 72 to 77 near the Foothills. Light Winds.

Tonight 22 Dec San Diego County Inland Valleys

Cloudy. Lows 44 to 52 in wind Sheltered Areas to 51 to 54 in warmer Locations. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

El Capitan Reservoir Temperature Statistics

December Temperature

Ramona, Ramona Airport (11.8 miles)

  • Lowest 20 December, 2025

    43 °F

  • Average December

    67.7 °F

  • Highest 10 December, 2025

    87.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (11.8 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    76.5 °F
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