Lake Arrowhead Weather Forecast

    • 35
    • 45

    Sunny

    • 42
    • 50

    Partly Sunny

    • 43
    • 53

    Partly Sunny

    • 46
    • 57

    Mostly Sunny

    • 41
    • 58

    Partly Sunny

    • 40
    • 49

    Chance Rain Showers

    • 36
    • 45

    Chance Rain Showers

Today 30 Jan San Bernardino County Mountains

Mostly sunny. Not as cool. Highs 48 to 58. Areas of Winds northwest 10 Mph.

Tonight 30 Jan San Bernardino County Mountains

Clear. Lows 22 to 32 above 6000 feet to 28 to 38 below 6000 feet. Areas of Winds west 10 Mph.

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Lake Arrowhead Temperature Statistics

January Temperature

San Bernardino Intl. Airport (11.8 miles)

  • Lowest 19 January, 2025

    32 °F

  • Average January

    51.4 °F

  • Highest 2 January, 2025

    82.4 °F

Climate (2020–Present)

San Bernardino Intl. Airport (11.8 miles)

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  • Average Low 2020–2025

    54.3 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    80.7 °F
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