Grant Rea Park Weather Forecast

    • 53
    • 66

    Rain Showers

    • 53
    • 69

    Mostly Sunny

    • 55
    • 76

    Sunny

    • 57
    • 78

    Patchy Fog

    • 58
    • 81

    Patchy Fog

    • 56
    • 78

    Mostly Sunny

Today 14 Oct Los Angeles County San Gabriel Valley

Showers with a chance of Thunderstorms in the Morning, then Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the morning. Highs in the upper 50s to mid 60s. South Winds 15 to 25 Mph.

Tonight 14 Oct Los Angeles County San Gabriel Valley

Mostly cloudy with a chance of Showers in the Evening, becoming partly cloudy with a slight chance of Showers after midnight. Lows in the mid 40s to mid 50s. Chance of precipitation 40 percent.

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Grant Rea Park Temperature Statistics

October Temperature

El Monte (5.6 miles)

  • Lowest 9 October, 2025

    59 °F

  • Average October

    73.3 °F

  • Highest 10 October, 2025

    87.8 °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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