Lake Riverside Weather Forecast

    • 46
    • 70

    Increasing Clouds

    • 47
    • 69

    Partly Sunny

    • 49
    • 67

    Mostly Cloudy

    • 46
    • 62

    Mostly Cloudy

    • 48
    • 61

    Rain Showers Likely

    • 45
    • 58

    Chance Rain Showers

    • 47
    • 65

    Mostly Sunny

Today 27 Oct Riverside County Mountains

Mostly sunny. Highs 54 to 64.

Tonight 27 Oct Riverside County Mountains

Partly cloudy. Lows 37 to 47. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this evening.

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  • Temperature Real-Time

Lake Riverside Temperature Statistics

October Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 13 October, 2026

    27.5 °F

  • Average October

    51.7 °F

  • Highest 2 October, 2026

    75.7 °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

    48.9 °F

  • Average High 2021–2026

    60.4 °F
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