Arrowbear Lake Weather Forecast

    • 48
    • 61

    Sunny

    • 50
    • 65

    Mostly Sunny

    • 47
    • 61

    Mostly Sunny

    • 47
    • 59

    Partly Sunny

    • 45
    • 58

    Partly Sunny

    • 44
    • 57

    Partly Sunny

    • 42
    • 52

    Chance Rain Showers

Today 17 Dec San Bernardino County Mountains

Partly cloudy this morning. Becoming mostly sunny. Highs 58 to 67 above 6000 feet to 65 to 74 below 6000 feet. Areas of Winds west 20 to 30 Mph. Gusts to 35 Mph. Becoming 45 Mph this afternoon. Near ridge Tops and along desert Slopes, Gusts to 45 Mph. Becoming 55 Mph this afternoon.

Tonight 17 Dec San Bernardino County Mountains

Clear, Colder. Lows 34 to 44 above 6000 feet to 45 to 54 below 6000 feet. Areas of Winds northwest 20 to 30 Mph with Gusts to 45 Mph becoming northeast 10 to 15 Mph with Gusts to 25 Mph overnight.

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Arrowbear Lake Temperature Statistics

December Temperature

San Bernardino Intl. Airport (12.4 miles)

  • Lowest 4 December, 2025

    40.3 °F
  • Average December

    57.9 °F
  • Highest 10 December, 2025

    87.8 °F

Climate (2020–Present)

San Bernardino Intl. Airport (12.4 miles)

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  • Average Low 2020–2025

    54.1 °F
  • Average 2020–2025

    63 °F
  • Average High 2020–2025

    80.3 °F
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