Port Vivian Weather Forecast

    • 33
    • 48

    Rain Showers

    • 30
    • 48

    Partly Sunny

    • 48
    • 54

    Rain Showers Likely

    • 51
    • 62

    Rain Showers Likely

    • 49
    • 63

    Rain Showers Likely

    • 49
    • 64

    Rain Showers Likely

Today 10 Apr Jefferson

Showers. Highs Ranging from the lower 50s along the lake Ontario shore to the mid 50s inland. Light Winds, becoming northwest 5 to 10 Mph. Chance of rain 90 percent.

Tonight 10 Apr Jefferson

Mostly cloudy. Lows in the mid 40s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Vivian Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    21 °F

  • Average April

    40.7 °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

    55.9 °F
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