Julian County Park Weather Forecast

    • 68
    • 91

    Slight Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 66
    • 85

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 68
    • 88

    Chance Rain Showers

Today 16 Jul San Diego County Mountains

Mostly sunny this morning. Becoming partly cloudy. Highs 88 to 97. Areas of Winds east to 10 Mph becoming west with Gusts to 30 Mph this afternoon.

Tonight 16 Jul San Diego County Mountains

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Cooler. Lows 62 to 72. Areas of Winds west to 10 Mph this evening becoming light. Chance of measurable precipitation 20 percent.

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Julian County Park Temperature Statistics

July Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 10 July, 2026

    50 °F

  • Average July

    71.2 °F

  • Highest 4 July, 2026

    91.9 °F

Climate (2021–2026)

Ramona, Ramona Airport (18 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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