Port Madison Weather Forecast

    • 46
    • 60

    Gradual Clearing

    • 43
    • 60

    Mostly Sunny

    • 46
    • 63

    Partly Sunny

    • 46
    • 58

    Mostly Cloudy

    • 42
    • 57

    Slight Chance Rain Showers

    • 44
    • 56

    Slight Chance Rain Showers

Today 19 Oct Eastern Kitsap County

Mostly cloudy. Highs in the mid 50s to lower 60s. Light wind.

Tonight 19 Oct Eastern Kitsap County

Mostly cloudy. Lows in the 40s. Light wind becoming north around 10 Mph after midnight.

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Port Madison Temperature Statistics

October Temperature

Boeing Field - King County International Airport (14.3 miles)

  • Lowest 12 October, 2026

    37.9 °F

  • Average October

    57.3 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (14.3 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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