Port Jefferson Weather Forecast

    • 55
    • 76

    Increasing Clouds

    • 57
    • 77

    Becoming Sunny

    • 57
    • 80

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 75

    Mostly Sunny

Today 21 Jul Eastern Kitsap County

Sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 21 Jul Eastern Kitsap County

Partly cloudy. Lows in the lower to mid 50s. Southwest wind to 10 Mph becoming south after midnight.

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Port Jefferson Temperature Statistics

July Temperature

Everett Snohomish County (14.9 miles)

  • Lowest 4 July, 2025

    51.7 °F

  • Average July

    65.4 °F

  • Highest 16 July, 2025

    89.7 °F

Climate (2020–Present)

Everett Snohomish County (14.9 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    59.1 °F
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