Elwell Island Weather Forecast
- 17
- 44
Partly Sunny
- 16
- 26
Mostly Sunny
- 22
- 35
Snow
- 20
- 33
Chance Snow Showers
- 25
- 37
Chance Rain/Snow
- 19
- 39
Chance Snow Showers
- 20
- 31
Chance Snow Showers
Today 21 Dec Knox
Partly sunny. Highs in the lower 40s. Temperatures falling into the lower 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 21 Dec Knox
Partly cloudy this Evening, then becoming mostly clear. Lows around 16. West Winds 10 to 15 Mph with Gusts up to 30 Mph.
Elwell Island Temperature Statistics
December Temperature
Rockland, Knox County Regional Airport (5.6 miles)
Lowest 9 December, 2025
-2 °FAverage December
27.7 °FHighest 19 December, 2025
54 °F
Climate (2020–Present)
Rockland, Knox County Regional Airport (5.6 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
47.9 °FAverage High 2020–2025
55.2 °F