The Arboretum Weather Forecast

    • 55
    • 74

    Gradual Clearing

    • 56
    • 77

    Partly Sunny

    • 58
    • 81

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 60
    • 85

    Partly Sunny

    • 61
    • 86

    Mostly Sunny

Today 30 Jun Los Angeles County San Gabriel Valley

Mostly cloudy. Patchy drizzle in the morning. Highs in the lower to mid 70s.

Tonight 30 Jun Los Angeles County San Gabriel Valley

Clear except for Areas of low Clouds and fog. Lows in the mid to upper 50s.

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The Arboretum Temperature Statistics

June Temperature

El Monte (4.3 miles)

  • Lowest 24 June, 2026

    60.8 °F

  • Average June

    75.4 °F

  • Highest 12 June, 2026

    91.4 °F

Climate (2021–2026)

El Monte (4.3 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    77.2 °F
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