Port Jefferson Weather Forecast

    • 57
    • 71

    Becoming Sunny

    • 57
    • 73

    Mostly Cloudy

    • 56
    • 70

    Partly Sunny

    • 56
    • 70

    Partly Sunny

    • 56
    • 70

    Chance Rain

    • 56
    • 67

    Chance Rain

Today 17 Aug Eastern Kitsap County

Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind.

Tonight 17 Aug Eastern Kitsap County

Mostly clear. Patchy fog in the morning. Lows in the 50s. Light wind.

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Port Jefferson Temperature Statistics

August Temperature

Everett Snohomish County (14.9 miles)

  • Lowest 3 August, 2026

    52 °F

  • Average August

    63.9 °F

  • Highest 6 August, 2026

    81 °F

Climate (2021–2026)

Everett Snohomish County (14.9 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.2 °F
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