Winthrop Weather Forecast
- 63
- 75
Mostly Sunny
- 69
- 82
Mostly Sunny
- 74
- 89
Mostly Sunny
- 72
- 94
Slight Chance Thunderstorms
- 68
- 80
Chance Rain Showers
- 69
- 80
Chance Rain Showers
- 69
- 83
Partly Sunny
Today 22 Jul Suffolk
Sunny. Near steady temperature in the mid 70s. East Winds around 5 Mph.
Tonight 22 Jul Suffolk
Mostly clear. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight.
Winthrop Temperature Statistics
July Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 10 July, 2025
63.6 °FAverage July
76.5 °FHighest 16 July, 2025
95.6 °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