Fernbrook Weather Forecast

    • 64
    • 90

    Becoming Sunny

    • 63
    • 89

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 12 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 80 to 85 in the western Valleys to 86 to 91 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 12 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 62 to 65. Areas of Winds west to 10 Mph in the evening becoming light.

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Fernbrook Temperature Statistics

June Temperature

Ramona, Ramona Airport (4.3 miles)

  • Lowest 9 June, 2026

    46 °F

  • Average June

    64.5 °F

  • Highest 10 June, 2026

    87.1 °F

Climate (2021–Present)

Ramona, Ramona Airport (4.3 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.9 °F
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