Fallbrook Weather Forecast

    • 54
    • 80

    Sunny

    • 56
    • 83

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 54
    • 74

    Patchy Fog

    • 53
    • 69

    Patchy Fog

    • 55
    • 73

    Partly Sunny

Today 17 Oct San Diego County Inland Valleys

Sunny. Highs 77 to 82. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 17 Oct San Diego County Inland Valleys

Clear. Lows 52 to 57. Areas of Winds east 10 Mph.

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Fallbrook Temperature Statistics

October Temperature

Fallbrook Community Airpark (1.2 miles)

  • Lowest 14 October, 2025

    51.8 °F

  • Average October

    63.2 °F

  • Highest 10 October, 2025

    84.2 °F

Climate (2020–Present)

Fallbrook Community Airpark (1.2 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    74.1 °F
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