Julian County Park Weather Forecast

    • 70
    • 95

    Decreasing Clouds

    • 66
    • 90

    Mostly Sunny

    • 62
    • 86

    Sunny

    • 60
    • 82

    Mostly Sunny

    • 62
    • 79

    Slight Chance Rain Showers

    • 64
    • 81

    Slight Chance Rain Showers

Today 28 Aug San Diego County Mountains

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 92 to 100. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 28 Aug San Diego County Mountains

Mostly clear. Lows 64 to 74. Areas of Winds west 10 to 15 Mph with Gusts to 25 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

    76.7 °F

  • Highest 23 August, 2026

    100.9 °F

Climate (2021–2026)

Ramona, Ramona Airport (18 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.9 °F
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