Fernbrook Weather Forecast

    • 51
    • 78

    Patchy Fog

    • 52
    • 80

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 52
    • 80

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 53
    • 83

    Mostly Sunny

Today 13 May San Diego County Inland Valleys

Patchy fog this morning. Partly cloudy with patchy drizzle this Morning, then mostly sunny this afternoon. Warmer. Highs 72 to 75 in the western Valleys to 73 to 78 near the Foothills. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 13 May San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 49 to 53. Areas of Winds west to 10 Mph in the evening becoming light.

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Fernbrook Temperature Statistics

May Temperature

Ramona, Ramona Airport (4.3 miles)

  • Lowest 6 May, 2026

    39.9 °F

  • Average May

    61.5 °F

  • Highest 11 May, 2026

    90 °F

Climate (2021–Present)

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

    76.9 °F
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