Dewey Weather Forecast

    • 47
    • 59

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 51
    • 64

    Partly Sunny

    • 52
    • 66

    Chance Rain Showers

    • 53
    • 69

    Chance Rain Showers

Today 23 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly sunny. Highs in the upper 50s to mid 60s. South wind to 10 Mph becoming west around 10 Mph in the afternoon.

Tonight 23 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. West wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Temperature Statistics

May Temperature

Whidbey Island Naval Air Station - Ault Field (5 miles)

  • Lowest 1 May, 2025

    37.9 °F

  • Average May

    51.9 °F

  • Highest 6 May, 2025

    64 °F

Climate (2020–Present)

Whidbey Island Naval Air Station - Ault Field (5 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    56.2 °F
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