Winthrop Weather Forecast
- 51
- 63
Mostly Cloudy
- 52
- 65
Mostly Sunny
- 57
- 73
Partly Sunny
- 57
- 72
Slight Chance Rain Showers
- 60
- 69
Chance Rain Showers
- 60
- 74
Chance Rain Showers
- 56
- 71
Chance Rain Showers
Today 25 May Suffolk
Partly sunny. Near steady temperature around 60. Northwest Winds 5 to 10 Mph.
Tonight 25 May Suffolk
Mostly cloudy this Evening, then becoming partly cloudy. Lows around 50. Northwest Winds 5 to 10 Mph.
Winthrop Temperature Statistics
May Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 23 May, 2025
44.1 °FAverage May
58.2 °FHighest 3 May, 2025
84.7 °F
Climate (2020–Present)
Boston, Logan International Airport (1.9 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
53.8 °FAverage High 2020–2025
61.1 °F