Port Jefferson Weather Forecast

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    Rain Likely

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    Rain Likely

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    Chance Rain

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    Slight Chance Rain

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    Slight Chance Rain

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    Rain Likely

Today 8 Sep Eastern Kitsap County

Partly sunny. A slight chance of rain late in the afternoon. Highs in the upper 60s to mid 70s. Light wind.

Tonight 8 Sep Eastern Kitsap County

Mostly cloudy with a chance of rain. Lows in the mid to upper 50s. Light wind.

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Port Jefferson Temperature Statistics

September Temperature

Everett Snohomish County (14.9 miles)

  • Lowest 4 September, 2025

    55 °F

  • Average September

    63.5 °F

  • Highest 3 September, 2025

    77 °F

Climate (2020–Present)

Everett Snohomish County (14.9 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    59.2 °F
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