Northwest Island Weather Forecast

    • 53
    • 69

    Increasing Clouds

    • 55
    • 70

    Mostly Cloudy

    • 53
    • 63

    Rain Likely

    • 52
    • 64

    Mostly Cloudy

    • 52
    • 60

    Partly Sunny

    • 53
    • 60

    Mostly Cloudy

    • 52
    • 59

    Mostly Cloudy

Today 20 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the 70s to lower 80s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 20 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northwest Island Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    48 °F

  • Average August

    56.7 °F

  • Highest 5 August, 2026

    69.1 °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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