Cypress Island - Secret Harbor Weather Forecast

    • 54
    • 70

    Rain Showers Likely

    • 53
    • 66

    Rain Showers Likely

    • 52
    • 67

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 51
    • 68

    Chance Rain Showers

    • 50
    • 66

    Chance Rain Showers

Today 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the morning then becoming mostly sunny. Areas of fog in the morning. Highs in the upper 60s to mid 70s. Light wind.

Tonight 13 Sep Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy. A slight chance of Showers in the morning. Lows in the 50s. Light wind becoming southeast to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cypress Island - Secret Harbor Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    61.1 °F

  • Highest 3 September, 2025

    78.8 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    59.7 °F
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