Port Vivian Weather Forecast

    • 61
    • 81

    Rain Showers Likely

    • 58
    • 75

    Rain Showers

    • 54
    • 78

    Chance Rain Showers

    • 54
    • 83

    Mostly Sunny

    • 60
    • 85

    Partly Sunny

    • 63
    • 85

    Chance Rain Showers

Today 5 Jun Jefferson

Partly to mostly sunny. Highs Ranging from the mid 70s along the lake Ontario shore to the lower 80s inland. Southwest Winds 10 Mph or less.

Tonight 5 Jun Jefferson

Mostly cloudy. A chance of Showers overnight. Warm with Lows in the lower 60s. Light south Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Vivian Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    41.5 °F

  • Average June

    61.1 °F

  • Highest 3 June, 2026

    78.8 °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

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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