Perch Lake Weather Forecast
- 61
- 70
Chance Rain Showers
- 56
- 76
Slight Chance Rain Showers
- 52
- 74
Chance Rain Showers
- 45
- 69
Partly Sunny
- 49
- 66
Rain Showers Likely
- 49
- 69
Chance Rain Showers
- 49
- 67
Chance Rain Showers
Today 15 Sep Jefferson
Partly sunny and breezy. Highs Ranging from the mid 60s on the tug hill to the upper 60s across the lower Elevations. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph.
Tonight 15 Sep Jefferson
Mostly cloudy. Showers likely late this evening. A chance of Showers after midnight. Breezy with Lows Ranging from the mid 50s on the tug hill to the lower 60s across the lower Elevations. South Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph. Chance of rain 60 percent.
Perch Lake Temperature Statistics
September Temperature
Watertown, Watertown International Airport (8.1 miles)
Lowest 12 September, 2026
42.7 °FAverage September
65.8 °FHighest 2 September, 2026
83.6 °F
Climate (2021–2026)
Watertown, Watertown International Airport (8.1 miles)
Average Low 2021–2026
38.2 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
57.6 °F