Port Vivian Weather Forecast

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    Chance Rain Showers

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    Chance Rain Showers

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    • 80

    Chance Rain Showers

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    • 79

    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

Today 6 Aug Jefferson

Partly sunny. A chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs Ranging from the upper 70s on the tug hill to the lower 80s across the lower Elevations. South Winds 5 to 10 Mph, becoming southwest. Chance of rain 50 percent.

Tonight 6 Aug Jefferson

Partly cloudy. Muggy with Lows Ranging from the mid 60s across the tug hill to the upper 60s along the lake Ontario shore. Light Winds.

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Port Vivian Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    63.1 °F

  • Average August

    72.5 °F

  • Highest 1 August, 2026

    85.3 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56 °F
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