Lake Riverside Weather Forecast

    • 62
    • 90

    Decreasing Clouds

    • 62
    • 88

    Chance Thunderstorms

    • 66
    • 93

    Mostly Sunny

    • 67
    • 98

    Hot

    • 64
    • 94

    Chance Rain Showers

    • 61
    • 87

    Chance Rain Showers

    • 60
    • 84

    Chance Rain Showers

Today 12 Jul Riverside County Mountains

Partly cloudy. A slight chance of Showers this afternoon. Highs 84 to 94. Areas of Winds southeast 10 Mph becoming west this afternoon. Chance of measurable precipitation 20 percent.

Tonight 12 Jul Riverside County Mountains

Patchy dense fog this evening. Partly cloudy. Lows 60 to 70. Areas of Winds west to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • 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

    65.6 °F

  • Highest 9 July, 2026

    87.6 °F

Climate (2021–2026)

Big Bear City Airport (51.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.3 °F
Get WillyWeather+ to remove ads