Grant Rea Park Weather Forecast

    • 53
    • 86

    Sunny

    • 54
    • 83

    Sunny

    • 53
    • 80

    Mostly Sunny

    • 54
    • 77

    Patchy Fog

    • 51
    • 72

    Patchy Fog

    • 52
    • 74

    Mostly Sunny

Today 10 Dec Los Angeles County San Gabriel Valley

Sunny. Highs in the lower to mid 80s.

Tonight 10 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

    66.7 °F

  • Highest 8 December, 2025

    82.4 °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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