Hope Island State Park Weather Forecast

    • 56
    • 76

    Mostly Sunny

    • 56
    • 77

    Patchy Smoke

    • 58
    • 77

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 56
    • 72

    Mostly Sunny

    • 56
    • 70

    Partly Sunny

    • 56
    • 71

    Partly Sunny

Today 4 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Patchy smoke in the afternoon. Highs in the mid 70s to lower 80s. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 4 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Patchy smoke until early morning. Lows in the mid to upper 50s. Northwest wind to 10 Mph in the evening becoming light.

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Hope Island State Park Temperature Statistics

August Temperature

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

  • Lowest 2 August, 2026

    53.1 °F

  • Average August

    59.4 °F

  • Highest 1 August, 2026

    64.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    56 °F
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