Mount Baldy Weather Forecast

    • 61
    • 86

    Mostly Sunny

    • 60
    • 84

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

    • 48
    • 76

    Partly Sunny

    • 49
    • 72

    Mostly Sunny

    • 53
    • 78

    Sunny

Today 24 Sep Eastern San Gabriel Mountains

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

Tonight 24 Sep Eastern San Gabriel Mountains

Mostly clear. Lows in the 60s to around 70 except the mid to upper 50s Colder Valleys and Slopes.

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Mount Baldy Temperature Statistics

September Temperature

Brackett Field Airport (11.8 miles)

  • Lowest 2 September, 2026

    60.8 °F

  • Average September

    77.9 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Brackett Field Airport (11.8 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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