Port Jefferson Weather Forecast

    • 49
    • 62

    Increasing Clouds

    • 50
    • 62

    Mostly Cloudy

    • 50
    • 64

    Partly Sunny

    • 52
    • 68

    Partly Sunny

    • 52
    • 66

    Partly Sunny

    • 51
    • 65

    Partly Sunny

Today 18 May Eastern Kitsap County

Partly sunny. Patchy fog in the morning. Highs in the 60s. Light wind.

Tonight 18 May Eastern Kitsap County

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog in the morning. Lows in the mid to upper 40s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Jefferson Temperature Statistics

May Temperature

Everett Snohomish County (14.9 miles)

  • Lowest 16 May, 2026

    43 °F

  • Average May

    56.4 °F

  • Highest 12 May, 2026

    78.1 °F

Climate (2021–Present)

Everett Snohomish County (14.9 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.3 °F
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