Boston Harbor - Chelsea Weather Forecast
- 70
- 88
Slight Chance Rain Showers
- 68
- 82
Slight Chance Rain Showers
- 67
- 90
Mostly Sunny
- 65
- 94
Chance Rain Showers
- 62
- 86
Slight Chance Rain Showers
- 62
- 81
Partly Sunny
Today 11 Jun Suffolk
Mostly sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.
Tonight 11 Jun Suffolk
Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 20 percent.
Boston Harbor - Chelsea Temperature Statistics
June Temperature
Boston, Logan International Airport (1.9 miles)
Lowest 1 June, 2026
49.6 °FAverage June
69.4 °FHighest 4 June, 2026
89.7 °F
Climate (2021–Present)
Boston, Logan International Airport (1.9 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
60.9 °F