Lake Arrowhead Weather Forecast

    • 49
    • 65

    Mostly Sunny

    • 51
    • 66

    Sunny

    • 54
    • 69

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

    • 62
    • 75

    Mostly Sunny

    • 63
    • 77

    Mostly Sunny

Today 30 Jun San Bernardino County Mountains

Mostly sunny. Highs 62 to 72 above 6000 feet to 66 to 76 below 6000 feet. Areas of Winds west 10 Mph becoming north with Gusts to 30 Mph this afternoon.

Tonight 30 Jun San Bernardino County Mountains

Mostly clear. Lows 38 to 48 above 6000 feet to 46 to 56 below 6000 feet. Areas of Winds west 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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Lake Arrowhead Temperature Statistics

June Temperature

San Bernardino Intl. Airport (11.8 miles)

  • Lowest 20 June, 2026

    55.4 °F

  • Average June

    69.9 °F

  • Highest 12 June, 2026

    100.4 °F

Climate (2021–2026)

San Bernardino Intl. Airport (11.8 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    80.4 °F
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