Washington Square Weather Forecast

    • 54
    • 79

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 71

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

    • 56
    • 69

    Rain Likely

Today 18 Dec Orange County Inland

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Local visibility one quarter mile or less at Times this morning. Warmer. Highs around 77 towards the coast to 79 to 82 farther inland. Areas of Winds northeast to 10 Mph this morning becoming light.

Tonight 18 Dec Orange County Inland

Mostly clear. Lows 52 to 56. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington Square Temperature Statistics

December Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    59.8 °F

  • Highest 9 December, 2025

    82 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5 miles)

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

  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
Get WillyWeather+ to remove ads