Northwest Island Weather Forecast

    • 55
    • 74

    Patchy Smoke

    • 56
    • 76

    Partly Sunny

    • 55
    • 68

    Mostly Cloudy

    • 53
    • 67

    Partly Sunny

    • 53
    • 60

    Slight Chance Rain Showers

    • 53
    • 62

    Mostly Cloudy

Today 21 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Patchy smoke. Highs in the upper 70s to mid 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 21 Jul Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Patchy smoke in the evening. Lows in the mid 50s to lower 60s. West wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

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Northwest Island Temperature Statistics

July Temperature

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

  • Lowest 14 July, 2026

    46 °F

  • Average July

    56.3 °F

  • Highest 13 July, 2026

    66 °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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