Lake Ketchum Weather Forecast

    • 52
    • 63

    Cloudy

    • 49
    • 61

    Rain Likely

    • 50
    • 57

    Rain

    • 45
    • 55

    Rain Likely

    • 42
    • 52

    Chance Rain

    • 41
    • 52

    Slight Chance Rain

    • 40
    • 51

    Mostly Cloudy

Today 12 Nov Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Highs near 50.

Tonight 12 Nov Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Lows in the upper 40s to mid 50s. Southeast wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Ketchum Temperature Statistics

November Temperature

Arlington Municipal Airport (11.8 miles)

  • Lowest 2 November, 2026

    27 °F

  • Average November

    48.7 °F

  • Highest 7 November, 2026

    64 °F

Climate (2021–2026)

Arlington Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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