Irwindale Weather Forecast

    • 55
    • 79

    Increasing Clouds

    • 54
    • 77

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

Today 12 May Los Angeles County San Gabriel Valley

Patchy low Clouds and fog. Highs around 80.

Tonight 12 May Los Angeles County San Gabriel Valley

Mostly cloudy. Lows in the mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irwindale Temperature Statistics

May Temperature

El Monte (5.6 miles)

  • Lowest 4 May, 2026

    59 °F

  • Average May

    69.6 °F

  • Highest 9 May, 2026

    82.4 °F

Climate (2021–Present)

El Monte (5.6 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    77.2 °F
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