Port Vivian Weather Forecast
- 21
- 36
Mostly Sunny
- 23
- 38
Partly Sunny
- 31
- 42
Rain Showers
- 26
- 47
Rain Showers Likely
- 26
- 40
Chance Freezing Rain
- 29
- 43
Chance Rain Showers
Today 18 Nov Jefferson
Mostly sunny. Highs Ranging from the mid 30s on the tug hill to the upper 30s across the lower Elevations. West Winds 5 to 10 Mph.
Tonight 18 Nov Jefferson
Partly cloudy. Lows Ranging from the lower 20s across the tug hill to the upper 20s along the lake Ontario shore. Light west Winds.
Port Vivian Temperature Statistics
November Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)
Lowest 11 November, 2025
24.3 °FAverage November
37.3 °FHighest 3 November, 2025
54.9 °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