Marthas Bay Weather Forecast

    • 40
    • 50

    Partly Sunny

    • 39
    • 49

    Mostly Sunny

    • 38
    • 50

    Mostly Sunny

    • 38
    • 49

    Mostly Sunny

    • 39
    • 48

    Mostly Cloudy

    • 39
    • 48

    Mostly Cloudy

Today 15 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly cloudy in the morning then becoming mostly sunny. Patchy dense fog until late afternoon. Highs near 50. Light wind becoming northwest to 10 Mph in the afternoon.

Tonight 15 Jan Lowlands of Western Skagit and Northwestern Snohomish Counties

Mostly clear. Patchy fog. Lows in the mid 30s to lower 40s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marthas Bay Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    30 °F

  • Average January

    44.3 °F

  • Highest 12 January, 2026

    54 °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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