Lake Arrowhead Weather Forecast

    • 62
    • 82

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

Today 21 Aug San Bernardino County Mountains

Partly cloudy. Highs 76 to 84 above 6000 feet to 82 to 92 below 6000 feet. Areas of Winds southwest 15 to 20 Mph with Gusts to 30 Mph.

Tonight 21 Aug San Bernardino County Mountains

Mostly clear. Lows 48 to 58 above 6000 feet to 57 to 67 below 6000 feet. Areas of Winds southwest 15 to 20 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arrowhead Temperature Statistics

August Temperature

Riverside / March Air Force Base (24.9 miles)

  • Lowest 5 August, 2018

    61.3 °F

  • Average August

    81.2 °F

  • Highest 6 August, 2018

    104.2 °F

Climate (2010–Present)

Riverside / March Air Force Base (24.9 miles)

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  • Average Low 2010–Present

    52.9 °F

  • Average 2010–Present

    66.3 °F

  • Average High 2010–Present

    79.4 °F
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