Sun City Weather Forecast

    • 50
    • 87

    Sunny

    • 49
    • 84

    Mostly Sunny

    • 48
    • 81

    Partly Sunny

    • 47
    • 79

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

Today 11 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 80 to 84. Areas of Winds east to 10 Mph in the morning becoming light.

Tonight 11 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 48 to 52 in wind Sheltered Areas to 52 to 58 in warmer Locations. Light Winds.

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Sun City Temperature Statistics

December Temperature

Murrieta/Temecula French Valley (9.9 miles)

  • Lowest 2 December, 2025

    35.6 °F

  • Average December

    54.3 °F

  • Highest 8 December, 2025

    82.4 °F

Climate (2020–Present)

Murrieta/Temecula French Valley (9.9 miles)

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  • Average Low 2020–2025

    50.6 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    77.7 °F
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