Julian Weather Forecast

    • 57
    • 80

    Sunny

    • 61
    • 80

    Sunny

    • 62
    • 83

    Sunny

    • 66
    • 86

    Mostly Sunny

    • 70
    • 88

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

Today 16 Aug San Diego County Mountains

Sunny. Highs 79 to 89. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph in the afternoon.

Tonight 16 Aug San Diego County Mountains

Clear. Lows 50 to 60. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph. Becoming to 10 Mph overnight.

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Julian Temperature Statistics

August Temperature

Ramona, Ramona Airport (18 miles)

  • Lowest 1 August, 2025

    48 °F

  • Average August

    74.6 °F

  • Highest 7 August, 2025

    102.9 °F

Climate (2020–Present)

Ramona, Ramona Airport (18 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    76.7 °F
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