Riverway Island Weather Forecast
- 67
- 75
Chance Rain Showers
- 66
- 80
Mostly Cloudy
- 68
- 88
Mostly Sunny
- 64
- 85
Chance Rain Showers
- 63
- 81
Chance Rain Showers
- 64
- 79
Chance Rain Showers
Today 17 Aug Suffolk
Mostly cloudy. Showers Likely, mainly this morning. Patchy fog. Highs in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast this afternoon. Chance of rain 60 percent.
Tonight 17 Aug Suffolk
Mostly cloudy. A chance of Showers, mainly in the evening. Patchy fog. Humid with Lows in the upper 60s. North Winds around 5 Mph. Chance of rain 40 percent.
Riverway Island Temperature Statistics
August Temperature
Boston, Logan International Airport (5 miles)
Lowest 4 August, 2026
66.7 °FAverage August
79.5 °FHighest 7 August, 2026
94.6 °F
Climate (2021–2026)
Boston, Logan International Airport (5 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
61 °F