Grant Rea Park Weather Forecast

    • 56
    • 64

    Rain Showers

    • 48
    • 62

    Rain Showers

    • 46
    • 60

    Slight Chance Rain Showers

    • 46
    • 66

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 53
    • 72

    Chance Rain Showers

Today 25 Dec Los Angeles County San Gabriel Valley

Showers likely with a slight chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall. Highs in the upper 50s to mid 60s. Southeast Winds around 15 Mph in the morning. Chance of precipitation 70 percent.

Tonight 25 Dec Los Angeles County San Gabriel Valley

Showers. Lows in the lower to 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

    67.1 °F

  • Highest 9 December, 2025

    84.2 °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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