Diablo Lake Weather Forecast

    • 56
    • 72

    Chance Rain Showers

    • 56
    • 70

    Chance Thunderstorms

    • 53
    • 69

    Chance Rain Showers

    • 52
    • 69

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

Today 5 Jul West Slopes North Cascades and Passes

Sunny then becoming partly sunny early in the afternoon then becoming mostly sunny. Freezing level near 9500 feet.

Tonight 5 Jul West Slopes North Cascades and Passes

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Snow level near 9500 feet.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diablo Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (60.9 miles)

  • Lowest 1 July, 2022

    51.1 °F
  • Average July

    58 °F
  • Highest 1 July, 2022

    71.1 °F

Climate (2010–Present)

Arlington Municipal Airport (60.9 miles)

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  • Average Low 2010–Present

    42.2 °F
  • Average 2010–Present

    49.9 °F
  • Average High 2010–Present

    59.2 °F
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