Weir Canyon Regional Park Weather Forecast

    • 49
    • 72

    Increasing Clouds

    • 50
    • 69

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

    • 50
    • 69

    Mostly Cloudy

    • 54
    • 67

    Rain Showers

    • 53
    • 62

    Rain Showers

    • 51
    • 63

    Rain Showers

Today 19 Dec Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 70 to 73 towards the coast to 75 farther inland. Light Winds.

Tonight 19 Dec Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 49 to 52. Light Winds.

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  • Temperature Real-Time

Weir Canyon Regional Park Temperature Statistics

December Temperature

Corona Airport (8.7 miles)

  • Lowest 6 December, 2025

    37 °F

  • Average December

    61.7 °F

  • Highest 10 December, 2025

    90 °F

Climate (2020–Present)

Corona Airport (8.7 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    78 °F
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