Lake Riverside Weather Forecast

    • 67
    • 97

    Hot

    • 66
    • 97

    Mostly Sunny

    • 65
    • 96

    Mostly Sunny

    • 63
    • 95

    Mostly Sunny

    • 64
    • 95

    Mostly Sunny

    • 66
    • 97

    Hot

Today 25 Jul Riverside County Mountains

Mostly sunny. Highs 91 to 101. Areas of Winds southwest to 10 Mph becoming west with Gusts to 30 Mph in the afternoon.

Tonight 25 Jul Riverside County Mountains

Mostly clear in the evening. Becoming partly cloudy. Lows 64 to 74. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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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

    66.7 °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

    48.8 °F

  • Average High 2021–2026

    60.3 °F
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