Sun City Weather Forecast

    • 44
    • 81

    Mostly Sunny

    • 44
    • 80

    Partly Sunny

    • 44
    • 79

    Partly Sunny

    • 45
    • 78

    Mostly Sunny

    • 44
    • 78

    Mostly Sunny

    • 44
    • 74

    Partly Sunny

    • 42
    • 70

    Partly Sunny

Today 16 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 77 to 81. Areas of Winds north 10 to 20 Mph with Gusts to 35 Mph.

Tonight 16 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Clear this evening. Becoming partly cloudy. Lows 44 to 48 in wind Sheltered Areas to 48 to 56 in warmer Locations. Areas of Winds north 10 to 15 Mph with Gusts to 30 Mph.

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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

    53.5 °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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