Lake Riverside Weather Forecast

    • 46
    • 71

    Sunny

    • 46
    • 72

    Sunny

    • 45
    • 72

    Partly Sunny

    • 46
    • 68

    Partly Sunny

    • 47
    • 72

    Sunny

    • 49
    • 73

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

Today 30 Jan Riverside County Mountains

Sunny. Highs 61 to 71. Areas of Winds northeast 10 to 20 Mph with Gusts to 35 Mph.

Tonight 30 Jan Riverside County Mountains

Clear. Lows 41 to 51. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph.

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  • Temperature Real-Time

Lake Riverside Temperature Statistics

January Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 27 January, 2026

    14 °F

  • Average January

    37 °F

  • Highest 18 January, 2026

    60.8 °F

Climate (2021–Present)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    60.1 °F
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