Brentwood Weather Forecast

    • 61
    • 87

    Sunny

    • 65
    • 90

    Sunny

    • 68
    • 97

    Hot

    • 64
    • 98

    Hot

    • 63
    • 93

    Mostly Sunny

    • 62
    • 92

    Mostly Sunny

Today 24 Sep San Bernardino and Riverside County Valleys

Partly cloudy in the morning. Becoming sunny. Highs 86 to 91. Light Winds becoming west 15 Mph with Gusts to 30 Mph in the afternoon.

Tonight 24 Sep San Bernardino and Riverside County Valleys

Mostly clear. Lows 54 to 61. Areas of Winds west 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

September Temperature

Chino, Chino Airport (14.3 miles)

  • Lowest 18 September, 2018

    54 °F
  • Average September

    74.5 °F
  • Highest 9 September, 2018

    102.9 °F

Climate (2010–Present)

Chino, Chino Airport (14.3 miles)

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  • Average Low 2010–Present

    54.2 °F
  • Average 2010–Present

    66.8 °F
  • Average High 2010–Present

    82.3 °F
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