Cypress Island - Secret Harbor Weather Forecast

    • 40
    • 49

    Mostly Cloudy

    • 38
    • 48

    Mostly Cloudy

    • 35
    • 45

    Rain/Snow Likely

    • 35
    • 46

    Partly Sunny

    • 41
    • 48

    Rain Likely

    • 39
    • 48

    Rain

    • 41
    • 48

    Chance Rain

Today 27 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the upper 40s to mid 50s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 27 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. Patchy fog late in the night. Lows in the mid 30s to lower 40s. Northwest 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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