Northwest Island Weather Forecast

    • 52
    • 65

    Increasing Clouds

    • 48
    • 63

    Chance Rain

    • 48
    • 62

    Partly Sunny

    • 50
    • 65

    Partly Sunny

    • 50
    • 60

    Partly Sunny

    • 48
    • 56

    Mostly Cloudy

    • 48
    • 55

    Partly Sunny

Today 24 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the mid 60s to lower 70s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 24 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s. South wind to 10 Mph increasing to southeast 10 to 20 Mph with Gusts to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northwest Island Temperature Statistics

May Temperature

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

  • Lowest 21 May, 2026

    43 °F

  • Average May

    52.9 °F

  • Highest 3 May, 2026

    66.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
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