Cypress Island - Secret Harbor Weather Forecast

    • 36
    • 45

    Increasing Clouds

    • 40
    • 49

    Mostly Cloudy

    • 40
    • 49

    Rain

    • 41
    • 50

    Slight Chance Rain

    • 41
    • 51

    Partly Sunny

    • 42
    • 53

    Mostly Cloudy

Today 30 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the mid 40s to lower 50s. Southeast wind to 10 Mph becoming west in the afternoon.

Tonight 30 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear in the evening then becoming mostly cloudy. Lows in the 30s. North wind to 10 Mph in the evening becoming light.

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Cypress Island - Secret Harbor Temperature Statistics

March Temperature

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

  • Lowest 23 March, 2026

    30.2 °F

  • Average March

    45 °F

  • Highest 16 March, 2026

    59 °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

    59.7 °F
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