Julian County Park Weather Forecast

    • 50
    • 70

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 45
    • 66

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

Today 14 May San Diego County Mountains

Sunny. Highs 70 to 80. Areas of Winds west 10 to 20 Mph with Gusts to 35 Mph.

Tonight 14 May San Diego County Mountains

Mostly clear. Lows 47 to 54. Areas of Winds west 10 to 20 Mph with Gusts to 35 Mph.

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Julian County Park Temperature Statistics

May Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 6 May, 2026

    39.9 °F

  • Average May

    61.2 °F

  • Highest 11 May, 2026

    90 °F

Climate (2021–Present)

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

    76.9 °F
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