Diablo Lake Weather Forecast

    • 35
    • 47

    Partly Sunny

    • 35
    • 47

    Chance Rain/Snow

    • 35
    • 49

    Partly Sunny

    • 36
    • 47

    Partly Sunny

    • 41
    • 52

    Mostly Cloudy

    • 40
    • 53

    Partly Sunny

    • 41
    • 55

    Partly Sunny

Today 29 Oct Foothills and Valleys of the North Cascades

Partly sunny. A chance of rain in the Morning, then a chance of rain Showers late in the morning. A slight chance of rain Showers early in the afternoon. Highs in the upper 40s to mid 50s. Southeast wind to 10 Mph in the morning becoming light.

Tonight 29 Oct Foothills and Valleys of the North Cascades

Mostly cloudy with a slight chance of rain Showers in the Evening, then partly cloudy after midnight. Lows in the mid 30s to lower 40s. East wind to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Diablo Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (60.9 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    51.4 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (60.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
Get WillyWeather+ to remove ads