Swartz Lake Weather Forecast

    • 43
    • 54

    Rain

    • 36
    • 55

    Rain Showers

    • 39
    • 56

    Mostly Cloudy

    • 47
    • 54

    Rain

    • 40
    • 57

    Rain

    • 38
    • 54

    Chance Rain

Today 28 Oct Foothills and Valleys of the North Cascades

Cloudy with a chance of rain. Highs in the 50s. East wind 10 to 15 Mph becoming southeast 10 to 20 Mph in the afternoon. Gusts to 35 Mph.

Tonight 28 Oct Foothills and Valleys of the North Cascades

A chance of rain in the Evening, then rain in the late evening and early morning. A chance of rain in the morning. Rainfall Amounts one to three Inches possible. Lows in the lower to mid 40s. Southeast wind 10 to 20 Mph with Gusts to 40 Mph becoming south 10 to 15 Mph with Gusts to 30 Mph after midnight.

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Swartz Lake Temperature Statistics

October Temperature

Arlington Municipal Airport (11.8 miles)

  • Lowest 14 October, 2025

    28.9 °F

  • Average October

    51.2 °F

  • Highest 7 October, 2025

    73.9 °F

Climate (2020–Present)

Arlington Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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