Sinclair Island Weather Forecast

    • 48
    • 51

    Rain

    • 47
    • 52

    Rain

    • 48
    • 52

    Rain Likely

    • 46
    • 52

    Rain

    • 45
    • 50

    Rain Likely

    • 45
    • 52

    Mostly Cloudy

    • 44
    • 53

    Mostly Cloudy

Today 29 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Windy. Rain at Times in the Morning, then a chance of rain in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the lower to mid 50s. Southeast wind 15 to 30 Mph with Gusts to 40 Mph.

Tonight 29 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Rain until early Morning, then cloudy with a slight chance of rain late in the night. Rainfall Amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southeast wind 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

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Sinclair Island Temperature Statistics

January Temperature

Eastsound, Orcas Island Airport (11.8 miles)

  • Lowest 24 January, 2026

    30.2 °F
  • Average January

    41.9 °F
  • Highest 13 January, 2026

    55.4 °F

Climate (2021–Present)

Eastsound, Orcas Island Airport (11.8 miles)

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  • Average Low 2021–2026

    46.2 °F
  • Average 2021–2026

    51.9 °F
  • Average High 2021–2026

    57.8 °F
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