San Bernardino International Airport Weather Forecast

    • 69
    • 99

    Hot

    • 67
    • 95

    Partly Sunny

    • 65
    • 93

    Mostly Sunny

    • 63
    • 89

    Partly Sunny

    • 64
    • 90

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

Today 10 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Highs 92 to 99. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 10 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Lows 63 to 68. Areas of Winds west 10 Mph with Gusts to 25 Mph in the evening becoming light.

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San Bernardino International Airport Temperature Statistics

August Temperature

San Bernardino Intl. Airport (0.6 miles)

  • Lowest 5 August, 2026

    66.7 °F

  • Average August

    80.1 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

San Bernardino Intl. Airport (0.6 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    80.3 °F
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