Sunday Lake Weather Forecast

    • 41
    • 49

    Mostly Cloudy

    • 42
    • 50

    Rain

    • 45
    • 51

    Rain

    • 48
    • 54

    Rain Likely

    • 42
    • 57

    Slight Chance Rain

    • 39
    • 53

    Mostly Cloudy

Today 9 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. A slight chance of rain in the morning. Highs in the mid 40s to lower 50s. Southeast wind 10 to 15 Mph.

Tonight 9 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Lows in the upper 30s to mid 40s. Southeast wind to 10 Mph.

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Sunday Lake Temperature Statistics

January Temperature

Arlington Municipal Airport (6.2 miles)

  • Lowest 1 January, 2026

    26.6 °F

  • Average January

    41.9 °F

  • Highest 3 January, 2026

    54 °F

Climate (2021–Present)

Arlington Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.8 °F
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