Monrovia Weather Forecast

    • 67
    • 97

    Slight Chance Thunderstorms

    • 67
    • 97

    Hot

    • 64
    • 94

    Mostly Sunny

    • 62
    • 89

    Sunny

    • 62
    • 88

    Mostly Sunny

    • 62
    • 88

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

Today 2 Sep Los Angeles County San Gabriel Valley

Partly cloudy. A chance of Showers. Slight chance of Thunderstorms in the morning and Thunderstorms in the afternoon. Highs 95 to 101. Chance of precipitation 50 percent.

Tonight 2 Sep Los Angeles County San Gabriel Valley

Partly cloudy with a 20 percent chance of Showers and Thunderstorms. Lows around 70.

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Monrovia Temperature Statistics

September Temperature

El Monte (4.3 miles)

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Climate (2020–Present)

El Monte (4.3 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    77.1 °F
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