Rowland Heights Weather Forecast

    • 63
    • 83

    Becoming Sunny

    • 64
    • 87

    Partly Sunny

    • 63
    • 89

    Mostly Sunny

    • 68
    • 93

    Sunny

    • 70
    • 98

    Hot

    • 70
    • 98

    Hot

Today 17 Aug Los Angeles County San Gabriel Valley

Low Clouds and fog in the morning then sunny. Highs in the lower to mid 80s.

Tonight 17 Aug Los Angeles County San Gabriel Valley

Mostly clear. Lows in the lower to mid 60s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rowland Heights Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (8.1 miles)

  • Lowest 3 August, 2025

    63.6 °F

  • Average August

    74.7 °F

  • Highest 7 August, 2025

    95.6 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (8.1 miles)

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

  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.7 °F
Get WillyWeather+ to remove ads