Boston Harbor - Charlestown Weather Forecast
- 67
- 83
Mostly Sunny
- 73
- 90
Mostly Sunny
- 73
- 97
Chance Thunderstorms
- 66
- 81
Slight Chance Rain Showers
- 66
- 81
Chance Rain Showers
- 67
- 82
Slight Chance Rain Showers
Today 23 Jul Suffolk
Mostly sunny. Highs in the lower 80s. Southwest Winds around 5 Mph, becoming southeast this afternoon.
Tonight 23 Jul Suffolk
Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.
Boston Harbor - Charlestown Temperature Statistics
July Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 10 July, 2025
63.6 °FAverage July
76.3 °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