Port Vivian Weather Forecast

    • 37
    • 58

    Increasing Clouds

    • 32
    • 53

    Rain Showers Likely

    • 30
    • 45

    Rain Showers

    • 18
    • 34

    Chance Snow Showers

    • 22
    • 38

    Chance Rain/Snow

    • 20
    • 34

    Chance Snow Showers

Today 9 Mar Jefferson

Mostly sunny and warm with Highs Ranging from the mid 50s along the lake Ontario shore to the lower 60s inland. South Winds 10 to 15 Mph, becoming southwest with Gusts up to 40 Mph.

Tonight 9 Mar Jefferson

Mainly clear in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Vivian Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    0 °F

  • Average March

    25.9 °F

  • Highest 4 March, 2026

    45.3 °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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