Port Vivian Weather Forecast

    • 29
    • 47

    Increasing Clouds

    • 44
    • 55

    Partly Sunny

    • 47
    • 65

    Rain Showers Likely

    • 36
    • 59

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 46
    • 60

    Chance Rain Showers

Today 27 Oct Jefferson

Sunny. Highs in the upper 40s. Light north Winds.

Tonight 27 Oct Jefferson

Mainly clear in the Evening, then becoming mostly cloudy. Lows Ranging from the upper 20s across the tug hill to the lower 30s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Vivian Temperature Statistics

October Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)

  • Lowest 23 October, 2026

    29.7 °F

  • Average October

    51.1 °F

  • Highest 1 October, 2026

    70.9 °F

Climate (2021–2026)

Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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