Lake Cuyamaca Weather Forecast

    • 47
    • 55

    Mostly Cloudy

    • 43
    • 52

    Rain Showers

    • 44
    • 52

    Rain Showers

    • 44
    • 54

    Chance Rain Showers

    • 43
    • 51

    Chance Rain Showers

    • 41
    • 51

    Chance Rain Showers

    • 43
    • 52

    Chance Rain Showers

Today 30 Dec San Diego County Mountains

Sunny. Highs 53 to 62. Areas of Winds east 20 to 30 Mph. Gusts to 45 Mph. Becoming 40 Mph in the afternoon.

Tonight 30 Dec San Diego County Mountains

Mostly cloudy. A slight chance of Sprinkles this Evening, then a slight chance of Showers overnight. Lows 44 to 52. Areas of Winds east 10 to 20 Mph. Gusts to 35 Mph. Becoming 25 Mph overnight. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Cuyamaca Temperature Statistics

December Temperature

Ramona, Ramona Airport (19.3 miles)

  • Lowest 27 December, 2025

    37 °F

  • Average December

    65.1 °F

  • Highest 10 December, 2025

    87.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (19.3 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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