Monrovia Weather Forecast

    • 56
    • 70

    Decreasing Clouds

    • 59
    • 75

    Mostly Sunny

    • 61
    • 83

    Sunny

    • 59
    • 88

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

Today 28 May Los Angeles County San Gabriel Valley

Mostly cloudy. Highs in the mid 60s to around 70.

Tonight 28 May Los Angeles County San Gabriel Valley

Partly cloudy in the evening then mostly cloudy. A 20 percent chance of Showers. Lows in the lower to mid 50s. Southwest Winds around 15 Mph in the evening.

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Monrovia Temperature Statistics

May Temperature

El Monte (4.3 miles)

  • Lowest 4 May, 2026

    59 °F

  • Average May

    70.8 °F

  • Highest 20 May, 2026

    89.6 °F

Climate (2021–Present)

El Monte (4.3 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    77.3 °F
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