Hope Island State Park Weather Forecast

    • 54
    • 69

    Becoming Sunny

    • 53
    • 67

    Mostly Sunny

    • 51
    • 64

    Partly Sunny

    • 51
    • 63

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 51
    • 64

    Partly Sunny

Today 4 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 4 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the lower to mid 50s. West wind to 10 Mph becoming south after midnight.

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Hope Island State Park Temperature Statistics

May Temperature

Whidbey Island Naval Air Station - Ault Field (5 miles)

  • Lowest

  • Average May

  • Highest

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (5 miles)

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  • Average Low 2021–2026

    44.5 °F
  • Average 2021–2026

    50.1 °F
  • Average High 2021–2026

    56.1 °F
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