Ernst Field Weather Forecast

    • 67
    • 87

    Sunny

    • 70
    • 87

    Mostly Sunny

    • 75
    • 90

    Mostly Sunny

    • 77
    • 93

    Mostly Sunny

    • 76
    • 94

    Slight Chance Thunderstorms

    • 76
    • 93

    Partly Sunny

Today 18 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 89 to 97. Light Winds becoming west 10 to 15 Mph in the afternoon.

Tonight 18 Aug San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 59 to 65. Areas of Winds west 10 to 15 Mph in the evening becoming light.

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Ernst Field Temperature Statistics

August Temperature

Big Bear City Airport (46 miles)

  • Lowest 1 August, 2025

    39.2 °F

  • Average August

    67.9 °F

  • Highest 12 August, 2025

    86 °F

Climate (2020–Present)

Big Bear City Airport (46 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    60.1 °F
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