Fernbrook Weather Forecast

    • 54
    • 86

    Sunny

    • 53
    • 83

    Sunny

    • 51
    • 81

    Mostly Sunny

    • 50
    • 79

    Patchy Fog

    • 49
    • 77

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

Today 10 Dec San Diego County Inland Valleys

Sunny. Highs 82 to 87. Areas of Winds northeast to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 10 Dec San Diego County Inland Valleys

Clear. Lows 52 to 59. Light Winds becoming east to 10 Mph overnight.

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Fernbrook Temperature Statistics

December Temperature

Ramona, Ramona Airport (4.3 miles)

  • Lowest 1 December, 2025

    44.1 °F

  • Average December

    61.8 °F

  • Highest 8 December, 2025

    82 °F

Climate (2020–Present)

Ramona, Ramona Airport (4.3 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.4 °F
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