Mystic River - Island End River Weather Forecast
- 55
- 82
Rain Showers
- 58
- 75
Mostly Sunny
- 65
- 89
Mostly Sunny
- 67
- 90
Chance Rain Showers
- 67
- 90
Chance Rain Showers
- 67
- 85
Slight Chance Thunderstorms
Today 7 Jun Suffolk
Partly sunny with scattered Showers with isolated Thunderstorms. Highs in the lower 80s. Temperature falling into the mid 70s late. Northwest Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.
Tonight 7 Jun Suffolk
Mostly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Cooler with Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.
Mystic River - Island End River Temperature Statistics
June Temperature
Boston, Logan International Airport (2.5 miles)
Lowest 1 June, 2026
49.6 °FAverage June
67.2 °FHighest 4 June, 2026
89.7 °F
Climate (2021–Present)
Boston, Logan International Airport (2.5 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
60.9 °F