Cypress Island - Secret Harbor Weather Forecast

    • 40
    • 56

    Decreasing Clouds

    • 39
    • 50

    Mostly Sunny

    • 40
    • 52

    Mostly Sunny

    • 41
    • 54

    Mostly Sunny

    • 43
    • 55

    Partly Sunny

    • 43
    • 52

    Mostly Cloudy

Today 6 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the upper 50s to mid 60s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 6 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Lows in the upper 30s to mid 40s. West wind 10 to 15 Mph becoming northwest after midnight. Gusts to 25 Mph.

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Cypress Island - Secret Harbor Temperature Statistics

April Temperature

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

  • Lowest 4 April, 2026

    41 °F

  • Average April

    48.4 °F

  • Highest 3 April, 2026

    57.2 °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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