Grant Rea Park Weather Forecast

    • 58
    • 77

    Patchy Fog

    • 57
    • 76

    Patchy Fog

    • 56
    • 76

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 56
    • 71

    Mostly Sunny

Today 22 May Los Angeles County San Gabriel Valley

Areas of low Clouds and fog. Highs in the mid 70s to around 80.

Tonight 22 May Los Angeles County San Gabriel Valley

Areas of low Clouds and fog. Lows in the mid 50s to around 60.

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Grant Rea Park Temperature Statistics

May Temperature

El Monte (5.6 miles)

  • Lowest 4 May, 2026

    59 °F

  • Average May

    70.4 °F

  • Highest 19 May, 2026

    87.8 °F

Climate (2021–Present)

El Monte (5.6 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    77.3 °F
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