Winthrop Weather Forecast
- 35
- 51
Rain Showers
- 35
- 50
Partly Sunny
- 33
- 50
Chance Rain Showers
- 37
- 49
Chance Rain Showers
- 43
- 57
Chance Rain Showers
- 39
- 54
Chance Rain Showers
Today 30 Apr Northern St. Lawrence
Mostly cloudy. Rain likely in the Morning, then a slight chance of Showers in the afternoon. Highs in the lower 50s. West Winds around 10 Mph. Chance of rain 70 percent.
Tonight 30 Apr Northern St. Lawrence
Partly cloudy. Lows in the mid 30s. Northwest Winds around 10 Mph until Midnight, becoming light and variable.
Winthrop Temperature Statistics
April Temperature
Massena, Massena International-Richards Field (9.9 miles)
Lowest 8 April, 2026
15.7 °FAverage April
44.3 °FHighest 18 April, 2026
80.7 °F
Climate (2021–Present)
Massena, Massena International-Richards Field (9.9 miles)
Average Low 2021–2026
36.1 °FAverage 2021–2026
46.2 °FAverage High 2021–2026
55.8 °F