San Bernardino Weather Forecast

    • 59
    • 87

    Increasing Clouds

    • 56
    • 82

    Partly Sunny

    • 52
    • 69

    Chance Rain Showers

    • 51
    • 66

    Partly Sunny

    • 54
    • 74

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 83 to 88. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 28 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 51 to 59. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Real-Time

San Bernardino Temperature Statistics

September Temperature

San Bernardino Intl. Airport (2.5 miles)

  • Lowest 19 September, 2023

    55.4 °F

  • Average September

    70.8 °F

  • Highest 8 September, 2023

    98.6 °F

Climate (2010–Present)

San Bernardino Intl. Airport (2.5 miles)

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  • Average Low 2010–Present

    54.8 °F

  • Average 2010–Present

    63.9 °F

  • Average High 2010–Present

    81.4 °F
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