Alpine Weather Forecast

    • 68
    • 87

    Sunny

    • 68
    • 89

    Sunny

    • 60
    • 85

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 58
    • 73

    Partly Sunny

    • 56
    • 74

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

Today 6 Sep San Diego County Inland Valleys

Mostly sunny. Highs 82 to 87 in the western Valleys to 88 to 93 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 6 Sep San Diego County Inland Valleys

Mostly clear. Lows 63 to 68. Light Winds.

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Alpine Temperature Statistics

September Temperature

Ramona, Ramona Airport (16.2 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    82.8 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Ramona, Ramona Airport (16.2 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    76.6 °F
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