The Arboretum Weather Forecast

    • 69
    • 98

    Hot

    • 68
    • 104

    Hot

    • 66
    • 98

    Hot

    • 64
    • 89

    Partly Sunny

    • 65
    • 90

    Partly Sunny

    • 64
    • 91

    Mostly Sunny

Today 14 Jul Los Angeles County San Gabriel Valley

Sunny. Highs 92 to 100. Southwest Winds around 15 Mph in the afternoon.

Tonight 14 Jul Los Angeles County San Gabriel Valley

Mostly clear. Lows around 70.

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The Arboretum Temperature Statistics

July Temperature

El Monte (4.3 miles)

  • Lowest 1 July, 2026

    64.4 °F

  • Average July

    78.7 °F

  • Highest 4 July, 2026

    89.6 °F

Climate (2021–2026)

El Monte (4.3 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    77.2 °F
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