Fullerton Weather Forecast

    • 59
    • 60

    Rain Showers

    • 53
    • 63

    Rain Showers

    • 53
    • 61

    Chance Rain Showers

    • 50
    • 59

    Chance Rain Showers

    • 49
    • 60

    Slight Chance Rain Showers

    • 51
    • 64

    Chance Rain Showers

    • 52
    • 62

    Chance Rain Showers

Today 14 Nov Los Angeles County San Gabriel Valley

Showers likely in the Morning, then a chance of Showers in the afternoon. Highs in the upper 50s to mid 60s. Chance of precipitation 70 percent.

Tonight 14 Nov Los Angeles County San Gabriel Valley

Showers with a slight chance of Thunderstorms. Lows in the mid 50s to around 60.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fullerton Temperature Statistics

November Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 6 November, 2025

    54 °F

  • Average November

    64.5 °F

  • Highest 10 November, 2025

    86 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (6.2 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

    76.5 °F
Get WillyWeather+ to remove ads