Lake Riverside Weather Forecast

    • 48
    • 77

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 45
    • 77

    Sunny

    • 48
    • 80

    Sunny

    • 52
    • 87

    Sunny

    • 57
    • 91

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

Today 18 Jun Riverside County Mountains

Mostly sunny. Highs 76 to 86. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph this afternoon.

Tonight 18 Jun Riverside County Mountains

Mostly clear. Lows 47 to 57. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph.

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  • Temperature Real-Time

Lake Riverside Temperature Statistics

June Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 8 June, 2026

    33.6 °F

  • Average June

    63.6 °F

  • Highest 11 June, 2026

    81.9 °F

Climate (2021–2026)

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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