Lake Riverside Weather Forecast

    • 62
    • 89

    Partly Sunny

    • 61
    • 88

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 65
    • 93

    Mostly Sunny

    • 65
    • 96

    Chance Rain Showers

    • 64
    • 93

    Slight Chance Rain Showers

Today 19 Jul Riverside County Mountains

Mostly sunny in the morning. Becoming partly cloudy. Highs 83 to 93. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 19 Jul Riverside County Mountains

Partly cloudy. Lows 58 to 68. Areas of Winds west 10 to 15 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • 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

    66.1 °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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