Lake Riverside Weather Forecast

    • 44
    • 75

    Increasing Clouds

    • 42
    • 70

    Mostly Sunny

    • 45
    • 73

    Mostly Sunny

    • 46
    • 74

    Sunny

    • 46
    • 75

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

Today 27 Jun Riverside County Mountains

Mostly sunny. Highs 71 to 81. Areas of Winds west 20 to 30 Mph. Gusts to 40 Mph. Becoming 45 Mph this afternoon.

Tonight 27 Jun Riverside County Mountains

Partly cloudy. Colder. Lows 43 to 53. Areas of Winds west 20 to 30 Mph with Gusts to 50 Mph.

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  • Temperature Forecast NOAA

  • 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

    64 °F

  • Highest 23 June, 2026

    83.8 °F

Climate (2021–2026)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.3 °F
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