Swartz Canyon County Park Weather Forecast

    • 71
    • 93

    Mostly Sunny

    • 74
    • 97

    Hot

    • 72
    • 97

    Slight Chance Thunderstorms

    • 72
    • 95

    Chance Rain Showers

    • 71
    • 94

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

Today 20 Aug San Diego County Inland Valleys

Mostly sunny. Highs 85 to 90 in the western Valleys to 93 to 98 near the Foothills. Areas of Winds west to 10 Mph becoming 10 to 15 Mph in the afternoon.

Tonight 20 Aug San Diego County Inland Valleys

Partly cloudy. Lows 64 to 69. Areas of Winds west to 10 Mph in the evening becoming light.

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Swartz Canyon County Park Temperature Statistics

August Temperature

Ramona, Ramona Airport (7.5 miles)

  • Lowest 1 August, 2025

    48 °F

  • Average August

    72.9 °F

  • Highest 7 August, 2025

    102.9 °F

Climate (2020–Present)

Ramona, Ramona Airport (7.5 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    76.6 °F
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