Dewey Weather Forecast

    • 47
    • 62

    Mostly Sunny

    • 51
    • 67

    Partly Sunny

    • 46
    • 59

    Chance Rain Showers

    • 45
    • 59

    Partly Sunny

    • 48
    • 62

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

    • 48
    • 59

    Slight Chance Rain Showers

Today 5 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Sunny. Highs in the upper 50s to mid 60s. Northwest wind to 10 Mph.

Tonight 5 May Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the 40s. Northwest wind to 10 Mph in the evening becoming light.

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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

    51.5 °F

  • Highest 2 May, 2025

    62.1 °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

    50.3 °F

  • Average High 2020–2025

    56.3 °F
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