Port Vivian Weather Forecast
- 47
- 77
Patchy Fog
- 55
- 79
Partly Sunny
- 55
- 78
Partly Sunny
- 59
- 79
Chance Rain Showers
- 53
- 76
Rain Showers Likely
- 50
- 67
Chance Rain Showers
Today 31 Aug Jefferson
Sunny. Highs Ranging from around 70 on the tug hill to the mid 70s across the lower Elevations. Light northwest Winds.
Tonight 31 Aug Jefferson
Mainly clear with some patchy fog developing. Lows Ranging from the upper 40s across the tug hill to the lower 50s along the lake Ontario shore. Light Winds.
Port Vivian Temperature Statistics
August Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)
Lowest 1 August, 2025
48.7 °FAverage August
71.1 °FHighest 12 August, 2025
93.7 °F
Climate (2020–Present)
Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)
Average Low 2020–2025
39.7 °FAverage 2020–2025
48.1 °FAverage High 2020–2025
56.2 °F