Hart Island Weather Forecast
- 31
- 39
Increasing Clouds
- 39
- 44
Rain
- 35
- 42
Rain
- 29
- 38
Rain/Snow Likely
- 29
- 33
Partly Sunny
- 36
- 39
Mostly Cloudy
- 31
- 40
Chance Rain
Today 8 Jan Knox
Partly sunny. Highs in the upper 30s. Light and variable Winds, becoming west around 10 Mph this afternoon.
Tonight 8 Jan Knox
Partly cloudy. Patchy freezing fog. Lows in the lower 20s. Light and variable Winds.
Hart Island Temperature Statistics
January Temperature
Rockland, Knox County Regional Airport (13.7 miles)
Lowest 5 January, 2026
6.1 °FAverage January
17.3 °FHighest 6 January, 2026
28.9 °F
Climate (2021–Present)
Rockland, Knox County Regional Airport (13.7 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
47.8 °FAverage High 2021–2026
55 °F