Sun City Weather Forecast

    • 70
    • 103

    Hot

    • 69
    • 104

    Hot

    • 70
    • 103

    Hot

    • 71
    • 103

    Hot

    • 72
    • 105

    Hot

    • 72
    • 106

    Hot

Today 21 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 97 to 104. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 21 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 66 to 71. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Sun City Temperature Statistics

August Temperature

Murrieta/Temecula French Valley (9.9 miles)

  • Lowest 5 August, 2026

    62.6 °F

  • Average August

    80.6 °F

  • Highest 19 August, 2026

    102.6 °F

Climate (2021–2026)

Murrieta/Temecula French Valley (9.9 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    78.1 °F
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