Julian County Park Weather Forecast

    • 60
    • 83

    Increasing Clouds

    • 54
    • 73

    Rain Showers Likely

    • 45
    • 62

    Rain Showers

    • 41
    • 51

    Rain Showers Likely

    • 41
    • 57

    Chance Rain Showers

    • 46
    • 65

    Mostly Sunny

Today 9 Oct San Diego County Mountains

Sunny. Highs 82 to 89. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 9 Oct San Diego County Mountains

Clear in the evening. Becoming mostly cloudy. Cooler. Lows 55 to 65. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Real-Time

Julian County Park Temperature Statistics

October Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 1 October, 2026

    54 °F

  • Average October

    89.4 °F

  • Highest 4 October, 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

    64.8 °F

  • Average High 2021–2026

    77 °F
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