Swartz Canyon County Park Weather Forecast

    • 51
    • 68

    Sunny

    • 52
    • 70

    Sunny

    • 54
    • 74

    Sunny

    • 57
    • 76

    Sunny

    • 56
    • 79

    Sunny

    • 56
    • 79

    Mostly Sunny

Today 5 Dec San Diego County Inland Valleys

Sunny. Highs 69 to 72 in the western Valleys to 65 to 70 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 5 Dec San Diego County Inland Valleys

Clear. Lows 42 to 48 in wind Sheltered Areas to 46 to 51 in warmer Locations. Light Winds.

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Swartz Canyon County Park Temperature Statistics

December Temperature

Ramona, Ramona Airport (7.5 miles)

  • Lowest 1 December, 2025

    44.1 °F

  • Average December

    55.7 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (7.5 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.4 °F
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