Northwest Island Weather Forecast

    • 50
    • 65

    Becoming Sunny

    • 51
    • 70

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 53
    • 72

    Chance Rain

    • 53
    • 63

    Slight Chance Rain

    • 53
    • 64

    Mostly Sunny

Today 12 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 12 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.

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Northwest Island Temperature Statistics

July Temperature

Whidbey Island Naval Air Station - Ault Field (4.3 miles)

  • Lowest 6 July, 2026

    48 °F

  • Average July

    56.1 °F

  • Highest 7 July, 2026

    64.9 °F

Climate (2021–2026)

Whidbey Island Naval Air Station - Ault Field (4.3 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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