Cypress Island - Secret Harbor Weather Forecast

    • 38
    • 47

    Chance Rain

    • 36
    • 46

    Mostly Cloudy

    • 41
    • 47

    Rain

    • 40
    • 51

    Rain

    • 38
    • 48

    Rain Likely

    • 37
    • 48

    Chance Rain

    • 38
    • 49

    Slight Chance Rain

Today 21 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. A slight chance of rain in the morning. Highs in the mid 40s to lower 50s. West wind 10 to 15 Mph decreasing to 10 Mph or less in the afternoon.

Tonight 21 Mar Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy until early Morning, then mostly cloudy with a chance of rain late in the night. Lows in the mid 30s to lower 40s. Southwest wind to 10 Mph becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cypress Island - Secret Harbor Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    32 °F

  • Average March

    44.5 °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

    51.3 °F

  • Average High 2021–2026

    59.7 °F
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