Julian County Park Weather Forecast

    • 69
    • 88

    Partly Sunny

    • 70
    • 90

    Becoming Sunny

    • 72
    • 93

    Mostly Sunny

    • 69
    • 92

    Partly Sunny

    • 66
    • 89

    Slight Chance Thunderstorms

    • 64
    • 87

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

Today 6 Aug San Diego County Mountains

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs 86 to 95. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 6 Aug San Diego County Mountains

Mostly clear this evening. Becoming partly cloudy. Lows 63 to 72. Areas of Winds west to 10 Mph.

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Julian County Park Temperature Statistics

August Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    76.2 °F

  • Highest 2 August, 2026

    98.1 °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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