Ralph B Clark Regional Park Weather Forecast

    • 63
    • 79

    Increasing Clouds

    • 63
    • 82

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 62
    • 80

    Partly Sunny

Today 12 Jul Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs around 76 towards the coast to 79 to 83 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 12 Jul Orange County Inland

Mostly clear in the evening. Becoming cloudy overnight with patchy fog. Lows 56 to 63. Areas of Winds southwest 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ralph B Clark Regional Park Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (1.2 miles)

  • Lowest 1 July, 2025

    61 °F

  • Average July

    72.2 °F

  • Highest 8 July, 2025

    89.7 °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

    56.8 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.8 °F
Get WillyWeather+ to remove ads