Marthas Bay Weather Forecast

    • 50
    • 63

    Mostly Cloudy

    • 51
    • 63

    Mostly Cloudy

    • 51
    • 58

    Chance Rain

    • 49
    • 57

    Chance Rain

    • 47
    • 60

    Mostly Sunny

    • 47
    • 62

    Mostly Sunny

    • 48
    • 62

    Partly Sunny

Today 19 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny. Highs in the 60s to lower 70s. East wind to 10 Mph becoming northwest in the afternoon.

Tonight 19 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly cloudy. Lows in the mid 40s to lower 50s. Northwest wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marthas Bay Temperature Statistics

April Temperature

Whidbey Island Naval Air Station - Ault Field (6.2 miles)

  • Lowest 8 April, 2026

    34 °F

  • Average April

    47.3 °F

  • Highest 6 April, 2026

    57.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (6.2 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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