Lake Riverside Weather Forecast

    • 54
    • 85

    Increasing Clouds

    • 57
    • 84

    Decreasing Clouds

    • 54
    • 84

    Mostly Sunny

    • 56
    • 87

    Sunny

    • 57
    • 91

    Sunny

    • 58
    • 93

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

Today 3 Jul Riverside County Mountains

Partly cloudy. Warmer. Highs 79 to 89. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 3 Jul Riverside County Mountains

Partly cloudy. Lows 53 to 63. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Riverside Temperature Statistics

July Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 1 July, 2026

    38.5 °F

  • Average July

    57.4 °F

  • Highest 1 July, 2026

    72.5 °F

Climate (2021–2026)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.3 °F
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