Lake Cuyamaca Weather Forecast

    • 66
    • 81

    Mostly Sunny

    • 66
    • 82

    Mostly Sunny

    • 73
    • 89

    Mostly Sunny

    • 77
    • 93

    Mostly Sunny

    • 76
    • 94

    Chance Rain Showers

    • 75
    • 95

    Mostly Sunny

Today 20 Jul San Diego County Mountains

Partly cloudy. Highs 82 to 91. Areas of Winds west 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph this afternoon.

Tonight 20 Jul San Diego County Mountains

Mostly clear. Lows 61 to 69. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Cuyamaca Temperature Statistics

July Temperature

Ramona, Ramona Airport (19.3 miles)

  • Lowest 10 July, 2026

    50 °F

  • Average July

    72.8 °F

  • Highest 15 July, 2026

    99 °F

Climate (2021–2026)

Ramona, Ramona Airport (19.3 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.8 °F
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