Port Vivian Weather Forecast

    • 66
    • 87

    Chance Thunderstorms

    • 60
    • 83

    Slight Chance Rain Showers

    • 62
    • 84

    Mostly Cloudy

    • 64
    • 83

    Chance Rain Showers

    • 65
    • 83

    Chance Rain Showers

    • 65
    • 84

    Partly Sunny

Today 3 Jul Jefferson

Partly sunny. A chance of Showers late. Highs Ranging from the lower 80s along the lake Ontario shore to the mid 80s inland. Southwest Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 3 Jul Jefferson

Partly cloudy. A chance of Showers in the evening. Muggy with Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming light. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Vivian Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    69.4 °F

  • Average July

    80.2 °F

  • Highest 1 July, 2026

    90 °F

Climate (2021–2026)

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

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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