El Cerrito Weather Forecast

    • 67
    • 93

    Rain Showers Likely

    • 66
    • 85

    Rain Showers Likely

    • 64
    • 85

    Chance Rain Showers

    • 65
    • 89

    Partly Sunny

    • 67
    • 91

    Mostly Sunny

    • 67
    • 93

    Mostly Sunny

Today 17 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 89 to 95. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 17 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the evening. Becoming mostly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers overnight. Lows 64 to 68. Areas of Winds west to 10 Mph in the evening becoming light. Chance of measurable precipitation 40 percent.

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El Cerrito Temperature Statistics

September Temperature

Corona Airport (5.6 miles)

  • Lowest 12 September, 2025

    54 °F

  • Average September

    74.5 °F

  • Highest 2 September, 2025

    102.9 °F

Climate (2020–Present)

Corona Airport (5.6 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    78.1 °F
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