Diablo Lake Weather Forecast

    • 34
    • 42

    Rain/Snow

    • 26
    • 40

    Rain/Snow Likely

    • 26
    • 41

    Chance Snow

    • 30
    • 40

    Rain/Snow Likely

    • 29
    • 40

    Rain/Snow Likely

    • 28
    • 38

    Rain/Snow

Today 13 Feb Foothills and Valleys of the North Cascades

A chance of rain in the Morning, then rain in the afternoon. A slight chance of snow late in the afternoon. No snow accumulation. Highs in the 40s. Southeast wind around 10 Mph with Gusts to 20 Mph in the morning becoming light.

Tonight 13 Feb Foothills and Valleys of the North Cascades

Rain in the evening. A slight chance of snow. Rain likely after midnight. No snow accumulation. Lows in the 30s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Diablo Lake Temperature Statistics

February Temperature

Arlington Municipal Airport (60.9 miles)

  • Lowest 11 February, 2026

    26.1 °F

  • Average February

    46.1 °F

  • Highest 4 February, 2026

    63 °F

Climate (2021–Present)

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

    50.8 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads