Boulder Bay Weather Forecast

    • 40
    • 69

    Sunny

    • 40
    • 69

    Sunny

    • 40
    • 69

    Sunny

    • 39
    • 69

    Mostly Sunny

    • 37
    • 66

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

    • 35
    • 61

    Sunny

Today 21 May San Bernardino County Mountains

Sunny, warmer. Highs 63 to 73 above 6000 feet to 73 to 81 below 6000 feet. Areas of Winds northwest to 10 Mph becoming southwest with Gusts to 30 Mph this afternoon.

Tonight 21 May San Bernardino County Mountains

Clear. Lows 39 to 49 above 6000 feet to 47 to 57 below 6000 feet. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this evening.

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Boulder Bay Temperature Statistics

May Temperature

Big Bear City Airport (5.6 miles)

  • Lowest 6 May, 2026

    27.7 °F

  • Average May

    53 °F

  • Highest 10 May, 2026

    77.9 °F

Climate (2021–Present)

Big Bear City Airport (5.6 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    60.3 °F
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