Hart Island Weather Forecast
- 63
- 74
Slight Chance Rain Showers
- 66
- 76
Rain Showers Likely
- 63
- 77
Mostly Sunny
- 59
- 70
Slight Chance Thunderstorms
- 58
- 70
Partly Sunny
- 59
- 68
Chance Rain Showers
- 59
- 68
Chance Rain Showers
Today 13 Jul Knox
Partly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 13 Jul Knox
Partly cloudy. A chance of Showers, mainly this evening. Lows in the mid 60s. Southwest Winds around 10 Mph. Gusts up to 25 Mph this evening. Chance of rain 50 percent.
Hart Island Temperature Statistics
July Temperature
Rockland, Knox County Regional Airport (13.7 miles)
Lowest 6 July, 2026
55 °FAverage July
71.8 °FHighest 2 July, 2026
91.9 °F
Climate (2021–2026)
Rockland, Knox County Regional Airport (13.7 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.8 °F