Northwest Island Weather Forecast

    • 50
    • 71

    Rain Likely

    • 48
    • 60

    Rain Likely

    • 47
    • 60

    Rain Likely

    • 46
    • 57

    Rain Likely

    • 47
    • 57

    Partly Sunny

    • 48
    • 60

    Mostly Cloudy

Today 12 May Lowlands of Western Skagit and Northwestern Snohomish Counties

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

Tonight 12 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the Evening, then a slight chance of rain late in the evening. Cloudy with a chance of rain after midnight. Lows near 50. West wind to 10 Mph becoming south 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 1 May, 2026

    46.9 °F

  • Average May

    53.6 °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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