Lake Riverside Weather Forecast

    • 44
    • 69

    Sunny

    • 48
    • 80

    Sunny

    • 49
    • 82

    Mostly Sunny

    • 50
    • 83

    Sunny

    • 53
    • 88

    Sunny

    • 55
    • 92

    Sunny

Today 6 May Riverside County Mountains

Sunny, warmer. Highs 64 to 74. Areas of Winds west 10 to 15 Mph.

Tonight 6 May Riverside County Mountains

Clear. Lows 43 to 53. Areas of Winds north 10 to 15 Mph.

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Lake Riverside Temperature Statistics

May Temperature

Big Bear City Airport (51.6 miles)

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  • Average May

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Climate (2021–Present)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    60.4 °F
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