Grant Rea Park Weather Forecast

    • 55
    • 83

    Sunny

    • 54
    • 83

    Sunny

    • 54
    • 80

    Sunny

    • 53
    • 79

    Patchy Fog

    • 54
    • 77

    Patchy Fog

    • 51
    • 72

    Patchy Fog

Today 9 Dec Los Angeles County San Gabriel Valley

Sunny. Highs in the lower 80s.

Tonight 9 Dec Los Angeles County San Gabriel Valley

Clear. Lows in the mid 50s.

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Grant Rea Park Temperature Statistics

December Temperature

El Monte (5.6 miles)

  • Lowest 6 December, 2025

    46.4 °F

  • Average December

    65.7 °F

  • Highest 7 December, 2025

    77 °F

Climate (2020–Present)

El Monte (5.6 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    76.9 °F
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