Upper Arroyo Park Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 64
    • 89

    Partly Sunny

    • 68
    • 92

    Partly Sunny

    • 62
    • 84

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

Today 24 Sep Los Angeles County San Gabriel Valley

Mostly cloudy in the morning then sunny. Highs in the mid 80s to lower 90s.

Tonight 24 Sep Los Angeles County San Gabriel Valley

Mostly clear in the evening then partly cloudy. Lows in the lower to mid 60s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Arroyo Park Temperature Statistics

September Temperature

El Monte (9.9 miles)

  • Lowest 2 September, 2026

    64.4 °F

  • Average September

    80.5 °F

  • Highest 9 September, 2026

    107.6 °F

Climate (2021–2026)

El Monte (9.9 miles)

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

  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    77.3 °F
Get WillyWeather+ to remove ads