Port Vivian Weather Forecast

    • 68
    • 84

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers Likely

    • 65
    • 81

    Chance Thunderstorms

    • 64
    • 80

    Chance Rain Showers

    • 63
    • 80

    Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

Today 6 Aug Jefferson

Partly sunny with a chance of Showers Early, then partly sunny with a chance of Showers and Thunderstorms from late morning on. Highs Ranging from the upper 70s on the tug hill to the lower 80s across the lower Elevations. Light southwest Winds. Chance of rain 40 percent.

Tonight 6 Aug Jefferson

Partly cloudy and warm and muggy with Lows Ranging from the upper 60s across the tug hill to the lower 70s along the lake Ontario shore. Light south Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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