Bonsall Preserve Weather Forecast

    • 49
    • 77

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 49
    • 73

    Mostly Cloudy

    • 49
    • 67

    Mostly Cloudy

    • 47
    • 67

    Partly Sunny

    • 46
    • 71

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

Today 19 Jan San Diego County Inland Valleys

Mostly sunny. Highs 74 to 79. Light Winds becoming west 10 Mph this afternoon.

Tonight 19 Jan San Diego County Inland Valleys

Mostly clear. Lows 43 to 52 in wind Sheltered Areas to 48 to 55 in warmer Locations. Areas of Winds east to 10 Mph.

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  • Temperature Real-Time

Bonsall Preserve Temperature Statistics

January Temperature

Fallbrook Community Airpark (4.3 miles)

  • Lowest 8 January, 2026

    44.6 °F

  • Average January

    59.3 °F

  • Highest 14 January, 2026

    84.2 °F

Climate (2021–Present)

Fallbrook Community Airpark (4.3 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    61.8 °F

  • Average High 2021–2026

    74.1 °F
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