Grant Rea Park Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 55
    • 77

    Gradual Clearing

    • 54
    • 76

    Partly Sunny

    • 52
    • 68

    Chance Rain

    • 52
    • 71

    Partly Sunny

    • 52
    • 73

    Partly Sunny

    • 54
    • 74

    Partly Sunny

Today 22 Apr Los Angeles County San Gabriel Valley

Sunny in the morning then partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 22 Apr Los Angeles County San Gabriel Valley

Mostly clear. Lows in the mid 40s to lower 50s.

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Grant Rea Park Temperature Statistics

April Temperature

El Monte (5.6 miles)

  • Lowest 13 April, 2026

    55.4 °F

  • Average April

    71.7 °F

  • Highest 4 April, 2026

    89.6 °F

Climate (2021–Present)

El Monte (5.6 miles)

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  • Average Low 2021–2026

    59.7 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    77.3 °F
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