Bonsall Weather Forecast

    • 60
    • 75

    Increasing Clouds

    • 59
    • 72

    Mostly Cloudy

    • 58
    • 73

    Mostly Cloudy

    • 57
    • 73

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 57
    • 74

    Partly Sunny

Today 27 Jun San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 74 to 79. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 27 Jun San Diego County Inland Valleys

Mostly cloudy. Patchy fog overnight. Lows 51 to 59. Areas of Winds southwest 10 to 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bonsall Temperature Statistics

June Temperature

Fallbrook Community Airpark (4.3 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    65.9 °F

  • Highest 12 June, 2026

    91.4 °F

Climate (2021–2026)

Fallbrook Community Airpark (4.3 miles)

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  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    74.5 °F
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