Swartz Lake Weather Forecast

    • 25
    • 40

    Mostly Sunny

    • 25
    • 41

    Partly Sunny

    • 25
    • 42

    Mostly Sunny

    • 28
    • 42

    Mostly Cloudy

    • 28
    • 43

    Mostly Cloudy

    • 31
    • 45

    Slight Chance Rain

    • 33
    • 46

    Chance Rain

Today 17 Jan East Puget Sound Lowlands

Sunny. Patchy fog late in the morning. Highs near 40. East wind to 10 Mph becoming northwest in the afternoon.

Tonight 17 Jan East Puget Sound Lowlands

Mostly clear. Patchy fog. Lows in the 20s to lower 30s. Light wind.

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Swartz Lake Temperature Statistics

January Temperature

Arlington Municipal Airport (11.8 miles)

  • Lowest 13 January, 2025

    28 °F

  • Average January

    39.6 °F

  • Highest 9 January, 2025

    53.1 °F

Climate (2020–Present)

Arlington Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    59.5 °F
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