Bonita Weather Forecast

    • 65
    • 89

    Increasing Clouds

    • 59
    • 82

    Decreasing Clouds

    • 58
    • 77

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

Today 26 Sep Eastern San Gabriel Mountains

Sunny. Highs from the 80s to lower 90s at low Elevations to the upper 60s to mid 70s at high Elevations.

Tonight 26 Sep Eastern San Gabriel Mountains

Mostly cloudy. Lows in the 50s to around 60. South Winds 15 to 25 Mph with Gusts to 35 Mph.

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  • Temperature Real-Time

Bonita Temperature Statistics

September Temperature

Brackett Field Airport (3.7 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    77.7 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Brackett Field Airport (3.7 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    76 °F
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