Marthas Bay Weather Forecast

    • 45
    • 57

    Becoming Sunny

    • 45
    • 60

    Mostly Sunny

    • 45
    • 61

    Mostly Sunny

    • 47
    • 62

    Mostly Sunny

    • 48
    • 62

    Mostly Sunny

    • 48
    • 61

    Mostly Sunny

Today 23 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Partly sunny in the morning then becoming sunny. Highs in the mid 50s to lower 60s. Southeast wind 10 to 15 Mph becoming west in the afternoon.

Tonight 23 Apr Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Lows in the upper 30s to mid 40s. West 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

    47.5 °F

  • Highest 19 April, 2026

    59 °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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