Lake Riverside Weather Forecast

    • 53
    • 81

    Sunny

    • 55
    • 89

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

Today 9 Jun Riverside County Mountains

Sunny. Highs 76 to 86. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph.

Tonight 9 Jun Riverside County Mountains

Clear. Lows 51 to 61. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph becoming north overnight.

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Lake Riverside Temperature Statistics

June Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 1 June, 2026

    36.1 °F

  • Average June

    61.7 °F

  • Highest 5 June, 2026

    78.6 °F

Climate (2021–Present)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    60.3 °F
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