Mount Waterman Weather Forecast

    • 49
    • 61

    Becoming Sunny

    • 57
    • 68

    Sunny

    • 60
    • 69

    Sunny

    • 62
    • 73

    Sunny

    • 63
    • 74

    Mostly Sunny

    • 63
    • 73

    Sunny

    • 63
    • 73

    Sunny

Today 28 Sep Eastern San Gabriel Mountains

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

Tonight 28 Sep Eastern San Gabriel Mountains

Partly cloudy with a chance of rain in the Evening, then clear after midnight. Lows in the 50s to lower 60s except the mid 30s to around 40 Colder Valleys and Slopes. Northwest Winds around 15 Mph.

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Mount Waterman Temperature Statistics

September Temperature

El Monte (19.3 miles)

  • Lowest 2 September, 2026

    64.4 °F

  • Average September

    80.6 °F

  • Highest 9 September, 2026

    107.6 °F

Climate (2021–2026)

El Monte (19.3 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    77.3 °F
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