Boston Harbor - Mystic River Entrance Weather Forecast
- 68
- 89
Chance Rain Showers
- 65
- 82
Partly Sunny
- 64
- 80
Sunny
- 68
- 84
Mostly Sunny
- 74
- 90
Partly Sunny
- 72
- 93
Partly Sunny
Today 10 Jul Suffolk
Partly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. West Winds around 5 Mph, becoming north in the afternoon. Chance of rain 30 percent.
Tonight 10 Jul Suffolk
Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Southwest Winds 5 to 10 Mph.
Boston Harbor - Mystic River Entrance Temperature Statistics
July Temperature
Boston, Logan International Airport (2.5 miles)
Lowest 7 July, 2026
63 °FAverage July
80 °FHighest 2 July, 2026
101.6 °F
Climate (2021–2026)
Boston, Logan International Airport (2.5 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
61 °F