Sinclair Island Weather Forecast

    • 46
    • 55

    Rain

    • 44
    • 50

    Rain

    • 42
    • 46

    Rain

    • 41
    • 47

    Rain

    • 40
    • 44

    Rain

    • 40
    • 43

    Rain

Today 15 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Windy, rain. Rainfall Amounts a quarter to a half inch possible. Highs in the mid 50s to lower 60s. South wind 20 to 35 Mph with Gusts to 45 Mph.

Tonight 15 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties

Windy. Rain likely in the Evening, then rain at Times after midnight. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the 40s. West wind 20 to 30 Mph with Gusts to 40 Mph becoming southeast to 10 Mph after midnight.

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Sinclair Island Temperature Statistics

December Temperature

Eastsound, Orcas Island Airport (11.8 miles)

  • Lowest 2 December, 2025

    35.6 °F

  • Average December

    47.8 °F

  • Highest 10 December, 2025

    57.2 °F

Climate (2020–Present)

Eastsound, Orcas Island Airport (11.8 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    57.7 °F
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