Cypress Island - Secret Harbor Weather Forecast

    • 42
    • 51

    Mostly Cloudy

    • 43
    • 54

    Partly Sunny

    • 44
    • 55

    Mostly Cloudy

    • 41
    • 57

    Mostly Cloudy

    • 39
    • 49

    Partly Sunny

    • 39
    • 51

    Mostly Sunny

    • 40
    • 52

    Mostly Sunny

Today 3 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. A chance of Showers in the morning. Highs in the 50s. Southeast wind 10 to 15 Mph becoming south in the afternoon.

Tonight 3 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 30s to mid 40s. Light wind.

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Cypress Island - Secret Harbor Temperature Statistics

April Temperature

Burlington/Mount Vernon, Skagit Regional Airport (13.7 miles)

  • Lowest 1 April, 2026

    42.8 °F

  • Average April

    46.7 °F

  • Highest 1 April, 2026

    51.8 °F

Climate (2021–Present)

Burlington/Mount Vernon, Skagit Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.6 °F
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