Julian County Park Weather Forecast

    • 35
    • 42

    Breezy

    • 39
    • 46

    Breezy

    • 44
    • 54

    Breezy

    • 45
    • 57

    Sunny

    • 50
    • 63

    Sunny

    • 51
    • 66

    Sunny

Today 9 Jan San Diego County Mountains

Sunny. Highs 42 to 51. Areas of Winds northeast 35 to 45 Mph with Gusts to 65 Mph.

Tonight 9 Jan San Diego County Mountains

Clear. Lows 30 to 39. Areas of Winds east 35 to 45 Mph. Gusts to 65 Mph. Becoming 60 Mph overnight.

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Julian County Park Temperature Statistics

January Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 6 January, 2026

    41 °F

  • Average January

    55.3 °F

  • Highest 2 January, 2026

    66 °F

Climate (2021–Present)

Ramona, Ramona Airport (18 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    76.5 °F
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