Sunset Airport Weather Forecast

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    Rain

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    • 48

    Rain

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    • 47

    Rain

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    • 47

    Chance Rain

    • 35
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    Chance Rain

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    • 42

    Chance Rain

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    Chance Rain

Today 20 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Breezy. A chance of rain in the Morning, then rain likely early in the afternoon. Rain at Times late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the 40s. South wind 15 to 25 Mph with Gusts to 35 Mph.

Tonight 20 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Rain at Times in the Evening, then rain likely in the late evening and early morning. Rain at Times late in the night. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the upper 30s to mid 40s. Southeast wind 10 to 20 Mph.

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Sunset Airport Temperature Statistics

December Temperature

Arlington Municipal Airport (11.8 miles)

  • Lowest 1 December, 2025

    30 °F

  • Average December

    47.4 °F

  • Highest 15 December, 2025

    60.1 °F

Climate (2020–Present)

Arlington Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.8 °F
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