Bastanchury Park Weather Forecast

    • 70
    • 94

    Mostly Sunny

    • 70
    • 88

    Rain Showers Likely

    • 69
    • 83

    Rain Showers Likely

    • 68
    • 85

    Slight Chance Thunderstorms

    • 67
    • 87

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

Today 16 Sep Orange County Inland

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 86 to 89 towards the coast to 91 to 94 farther inland. Light Winds becoming west 10 Mph in the afternoon.

Tonight 16 Sep Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 65 to 69. Areas of Winds southwest to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bastanchury Park Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (1.2 miles)

  • Lowest 11 September, 2025

    64.9 °F

  • Average September

    74.7 °F

  • Highest 2 September, 2025

    97 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (1.2 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

    76.7 °F
Get WillyWeather+ to remove ads