Lake Riverside Weather Forecast

    • 44
    • 68

    Mostly Sunny

    • 42
    • 64

    Mostly Cloudy

    • 39
    • 58

    Mostly Cloudy

    • 39
    • 58

    Partly Sunny

    • 42
    • 62

    Partly Sunny

    • 43
    • 63

    Partly Sunny

Today 26 Mar Riverside County Mountains

Mostly sunny. Highs 68 to 78. Areas of Winds west 10 to 20 Mph. Gusts to 25 Mph. Becoming 30 Mph in the afternoon.

Tonight 26 Mar Riverside County Mountains

Mostly clear. Colder. Lows 37 to 47. Areas of Winds west 10 to 20 Mph. Gusts to 35 Mph. Becoming 40 Mph overnight.

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Lake Riverside Temperature Statistics

March Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 8 March, 2025

    14 °F

  • Average March

    34.7 °F

  • Highest 22 March, 2025

    59 °F

Climate (2020–Present)

Big Bear City Airport (51.6 miles)

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  • Average Low 2020–2025

    34.6 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    60.1 °F
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