Heritage Lake Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 62
    • 94

    Becoming Sunny

    • 64
    • 97

    Hot

    • 67
    • 99

    Hot

    • 68
    • 98

    Hot

    • 66
    • 95

    Chance Thunderstorms

    • 66
    • 93

    Chance Thunderstorms

Today 13 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 82 to 88. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 13 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 56 to 61. Areas of Winds west to 10 Mph this evening becoming light.

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Heritage Lake Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (9.9 miles)

  • Lowest 9 September, 2025

    55.4 °F

  • Average September

    77.2 °F

  • Highest 2 September, 2025

    102.2 °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

    62.8 °F

  • Average High 2020–2025

    77.8 °F
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