Grant Rea Park Weather Forecast

    • 49
    • 74

    Mostly Sunny

    • 50
    • 77

    Sunny

    • 52
    • 80

    Mostly Sunny

    • 54
    • 82

    Sunny

    • 54
    • 83

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

Today 11 Jan Los Angeles County San Gabriel Valley

Sunny. Highs in the upper 60s to mid 70s. Northeast Winds around 15 Mph.

Tonight 11 Jan Los Angeles County San Gabriel Valley

Mostly clear. Lows in the mid 40s to around 50. Northeast Winds around 15 Mph after midnight.

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Grant Rea Park Temperature Statistics

January Temperature

El Monte (5.6 miles)

  • Lowest 8 January, 2026

    46.4 °F

  • Average January

    60.7 °F

  • Highest 7 January, 2026

    69.8 °F

Climate (2021–Present)

El Monte (5.6 miles)

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  • Average Low 2021–2026

    59.4 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    76.9 °F
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