Diablo Lake Weather Forecast

    • 47
    • 62

    Rain

    • 43
    • 53

    Rain

    • 45
    • 55

    Chance Rain

    • 45
    • 64

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

Today 8 Jun Foothills and Valleys of the North Cascades

Mostly cloudy in the Morning, then a slight chance of rain early in the afternoon. Cloudy with a chance of rain late in the afternoon. Highs in the 60s. Light wind.

Tonight 8 Jun Foothills and Valleys of the North Cascades

Rain likely in the Evening, then rain after midnight. Rainfall Amounts a half inch to one inch possible. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diablo Lake Temperature Statistics

June Temperature

Arlington Municipal Airport (60.9 miles)

  • Lowest 1 June, 2026

    39.9 °F

  • Average June

    58.4 °F

  • Highest 2 June, 2026

    82.9 °F

Climate (2021–Present)

Arlington Municipal Airport (60.9 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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