Port Vivian Weather Forecast

    • 62
    • 81

    Increasing Clouds

    • 63
    • 82

    Rain Showers Likely

    • 59
    • 76

    Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 65
    • 84

    Chance Rain Showers

Today 31 Jul Jefferson

Some patchy fog in the Morning, otherwise sunny. Highs Ranging from the mid 70s on the tug hill to around 80 across the lower Elevations. Light west Winds.

Tonight 31 Jul Jefferson

Partly cloudy. Lows Ranging from around 60 across the tug hill to the mid 60s along the lake Ontario shore. Light Winds.

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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 17 July, 2026

    50.9 °F

  • Average July

    72 °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

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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