Lake Riverside Weather Forecast

    • 45
    • 69

    Partly Sunny

    • 44
    • 68

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 38
    • 66

    Chance Rain Showers

    • 38
    • 47

    Chance Rain Showers

    • 39
    • 50

    Mostly Cloudy

    • 43
    • 61

    Partly Sunny

Today 30 Apr Riverside County Mountains

Partly cloudy. Highs 66 to 76. Areas of Winds west 10 to 20 Mph. Gusts to 35 Mph this afternoon.

Tonight 30 Apr Riverside County Mountains

Mostly clear this evening. Becoming partly cloudy. Colder. Lows 37 to 47. Areas of Winds northwest 10 to 20 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Riverside Temperature Statistics

April Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 3 April, 2025

    15.8 °F

  • Average April

    42.9 °F

  • Highest 11 April, 2025

    69.8 °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

    60.2 °F
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