Northwest Island Weather Forecast

    • 52
    • 67

    Increasing Clouds

    • 52
    • 67

    Gradual Clearing

    • 51
    • 66

    Mostly Cloudy

    • 53
    • 67

    Partly Sunny

    • 53
    • 61

    Chance Rain

    • 53
    • 59

    Chance Rain

    • 52
    • 59

    Mostly Cloudy

Today 17 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind.

Tonight 17 Aug Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. 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

August Temperature

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

  • Lowest 3 August, 2026

    48 °F

  • Average August

    57.1 °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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