Westminster Weather Forecast

    • 57
    • 66

    Rain Showers

    • 57
    • 65

    Rain Showers

    • 55
    • 66

    Rain Showers Likely

    • 53
    • 64

    Rain Showers Likely

    • 52
    • 64

    Rain Showers Likely

    • 52
    • 64

    Chance Rain Showers

Today 31 Dec Orange County Inland

Cloudy. A chance of Showers this Morning, then Showers likely this afternoon. Highs around 67. Areas of Winds east 10 Mph. Chance of measurable precipitation 70 percent.

Tonight 31 Dec Orange County Inland

Showers in the Evening, then Showers and a slight chance of Thunderstorms overnight. Locally heavy rainfall possible overnight. Lows 54 to 57. Areas of Winds southeast 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westminster Temperature Statistics

December Temperature

Los Alamitos Army Airfield (3.7 miles)

  • Lowest 28 December, 2025

    40.6 °F

  • Average December

    58.4 °F

  • Highest 9 December, 2025

    77.5 °F

Climate (2020–Present)

Los Alamitos Army Airfield (3.7 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73 °F
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