Sun City Weather Forecast

    • 46
    • 66

    Mostly Cloudy

    • 35
    • 64

    Decreasing Clouds

    • 39
    • 66

    Mostly Sunny

    • 38
    • 68

    Partly Sunny

    • 41
    • 71

    Partly Sunny

    • 43
    • 72

    Partly Sunny

    • 42
    • 71

    Mostly Sunny

Today 23 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Highs 64 to 68. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 23 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy. Areas of drizzle overnight. Lows 45 to 50. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this evening.

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Sun City Temperature Statistics

January Temperature

Murrieta/Temecula French Valley (9.9 miles)

  • Lowest 9 January, 2026

    33.8 °F
  • Average January

    54.6 °F
  • Highest 14 January, 2026

    82.4 °F

Climate (2021–Present)

Murrieta/Temecula French Valley (9.9 miles)

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  • Average Low 2021–2026

    50.8 °F
  • Average 2021–2026

    62.8 °F
  • Average High 2021–2026

    77.8 °F
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