Belle Isle Inlet Weather Forecast
- 40
- 49
Increasing Clouds
- 28
- 58
Rain
- 33
- 40
Mostly Cloudy
- 23
- 46
Slight Chance Rain
- 21
- 31
Partly Sunny
- 28
- 38
Chance Rain/Snow
Today 18 Dec Suffolk
Sunny. Highs in the upper 40s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.
Tonight 18 Dec Suffolk
Mostly clear. Lows in the upper 20s. West Winds 5 to 10 Mph.
Belle Isle Inlet Temperature Statistics
December Temperature
Boston, Logan International Airport (1.2 miles)
Lowest 5 December, 2025
12 °FAverage December
30.8 °FHighest 10 December, 2025
48 °F
Climate (2020–Present)
Boston, Logan International Airport (1.2 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
53.7 °FAverage High 2020–2025
61 °F