Weir Canyon Regional Park Weather Forecast

    • 49
    • 60

    Slight Chance Rain Showers

    • 49
    • 62

    Mostly Cloudy

    • 46
    • 63

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

Today 5 Jan Orange County Inland

Partly cloudy with a slight chance of Showers. Highs 61 to 64. Light Winds. Chance of measurable precipitation 20 percent.

Tonight 5 Jan Orange County Inland

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy overnight. Lows 48 to 52. Light Winds becoming east 10 Mph overnight. Chance of measurable precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Weir Canyon Regional Park Temperature Statistics

January Temperature

Corona Airport (8.7 miles)

  • Lowest 1 January, 2026

    48.9 °F

  • Average January

    57.4 °F

  • Highest 1 January, 2026

    64.9 °F

Climate (2021–Present)

Corona Airport (8.7 miles)

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

  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    78 °F
Get WillyWeather+ to remove ads