Port Vivian Weather Forecast
- 50
- 67
Decreasing Clouds
- 55
- 73
Partly Sunny
- 57
- 76
Rain Showers
- 56
- 77
Chance Rain Showers
- 54
- 72
Chance Rain Showers
- 53
- 70
Rain Showers Likely
Today 15 Jun Jefferson
Partly sunny and cool with Highs Ranging from the upper 50s on the tug hill to the mid 60s across the lower Elevations. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph.
Tonight 15 Jun Jefferson
Partly cloudy. Lows Ranging from the upper 40s across the tug hill to the lower 50s along the lake Ontario shore. Southwest Winds 5 to 10 Mph, becoming light.
Port Vivian Temperature Statistics
June Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)
Lowest 1 June, 2026
41.5 °FAverage June
68.5 °FHighest 11 June, 2026
85.1 °F
Climate (2021–Present)
Fort Drum / Wheeler-Sack U. S. Army Airfield (21.1 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
47.7 °FAverage High 2021–2026
55.9 °F