Fernbrook Weather Forecast

    • 63
    • 92

    Mostly Sunny

    • 61
    • 90

    Partly Sunny

    • 60
    • 86

    Mostly Cloudy

    • 59
    • 87

    Partly Sunny

    • 60
    • 87

    Partly Sunny

    • 60
    • 89

    Mostly Sunny

Today 11 Aug San Diego County Inland Valleys

Mostly sunny. Highs 84 to 88 in the western Valleys to 87 to 92 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 11 Aug San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 62 to 66. Areas of Winds west to 10 Mph in the evening becoming light.

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Fernbrook Temperature Statistics

August Temperature

Ramona, Ramona Airport (4.3 miles)

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    76.6 °F

  • Highest 2 August, 2026

    98.1 °F

Climate (2021–2026)

Ramona, Ramona Airport (4.3 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.8 °F
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