Arcadia Weather Forecast

    • 70
    • 94

    Rain Showers

    • 68
    • 85

    Rain Showers

    • 64
    • 85

    Chance Rain Showers

    • 64
    • 87

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 68
    • 92

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

Today 17 Sep Los Angeles County San Gabriel Valley

Partly cloudy in the morning then mostly cloudy. Highs in the upper 80s to mid 90s.

Tonight 17 Sep Los Angeles County San Gabriel Valley

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Arcadia Temperature Statistics

September Temperature

El Monte (3.7 miles)

  • Lowest 9 September, 2025

    66.2 °F

  • Average September

    81.2 °F

  • Highest 2 September, 2025

    100.4 °F

Climate (2020–Present)

El Monte (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    77.1 °F
Get WillyWeather+ to remove ads