Port Vivian Weather Forecast

    • 18
    • 34

    Snow Showers

    • 33
    • 44

    Mostly Sunny

    • 43
    • 59

    Partly Sunny

    • 38
    • 59

    Chance Rain Showers

    • 34
    • 53

    Mostly Sunny

    • 49
    • 58

    Chance Rain Showers

Today 7 Apr Jefferson

Snow Showers. Additional accumulation 1 to 2 Inches. Cold with Highs Ranging from the upper 20s on the tug hill to the lower 30s across the lower Elevations. Northeast Winds 10 to 15 Mph, becoming northwest. Chance of snow 80 percent.

Tonight 7 Apr Jefferson

Mainly clear. Cold with Lows Ranging from 10 to 15 across the tug hill to 20 to 25 along the lake Ontario shore. West Winds 5 to 10 Mph, becoming light.

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Port Vivian Temperature Statistics

April Temperature

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

  • Lowest 2 April, 2026

    32.4 °F

  • Average April

    44.4 °F

  • Highest 3 April, 2026

    73.4 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56 °F
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