Ash Island Weather Forecast
- 18
- 23
Decreasing Clouds
- 29
- 35
Breezy
- 30
- 42
Breezy
- 43
- 47
Rain Likely
- 18
- 50
Rain Showers
- 29
- 37
Rain/Snow
Today 15 Dec Knox
Partly sunny. Highs in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 4 below.
Tonight 15 Dec Knox
Partly cloudy. Lows around 13. West Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.
Ash Island Temperature Statistics
December Temperature
Rockland, Knox County Regional Airport (1.9 miles)
Lowest 9 December, 2025
-2 °FAverage December
25.3 °FHighest 10 December, 2025
45 °F
Climate (2020–Present)
Rockland, Knox County Regional Airport (1.9 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
47.9 °FAverage High 2020–2025
55.2 °F