Lake Riverside Weather Forecast

    • 60
    • 93

    Becoming Sunny

    • 58
    • 93

    Sunny

    • 63
    • 96

    Mostly Sunny

    • 67
    • 100

    Hot

    • 68
    • 104

    Hot

    • 67
    • 103

    Hot

Today 28 Jul Riverside County Mountains

Partly cloudy this morning. Becoming mostly sunny. Highs 87 to 97. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 28 Jul Riverside County Mountains

Mostly clear. Lows 58 to 68. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Real-Time

Lake Riverside Temperature Statistics

July Temperature

Big Bear City Airport (51.6 miles)

  • Lowest 1 July, 2026

    38.5 °F

  • Average July

    67.4 °F

  • Highest 9 July, 2026

    87.6 °F

Climate (2021–2026)

Big Bear City Airport (51.6 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.3 °F
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