Weir Canyon Regional Park Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 50
    • 70

    Mostly Sunny

    • 53
    • 66

    Rain Showers

    • 52
    • 62

    Rain Showers

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

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 52 to 55. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Weir Canyon Regional Park Temperature Statistics

December Temperature

Corona Airport (8.7 miles)

  • Lowest 6 December, 2025

    37 °F

  • Average December

    62 °F

  • Highest 10 December, 2025

    90 °F

Climate (2020–Present)

Corona Airport (8.7 miles)

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

  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    78 °F
Get WillyWeather+ to remove ads