Pleasant Island Weather Forecast
- 50
- 59
Increasing Clouds
- 52
- 62
Breezy
- 51
- 59
Rain
- 50
- 58
Rain
- 50
- 57
Rain Showers Likely
- 50
- 58
Partly Sunny
Today 24 Sep Knox
Sunny. Highs in the mid 60s. Northeast Winds around 10 Mph, becoming east this afternoon.
Tonight 24 Sep Knox
Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Light and variable Winds, becoming northeast around 10 Mph after midnight.
Pleasant Island Temperature Statistics
September Temperature
Rockland, Knox County Regional Airport (5.6 miles)
Lowest 20 September, 2026
39 °FAverage September
60.5 °FHighest 10 September, 2026
84 °F
Climate (2021–2026)
Rockland, Knox County Regional Airport (5.6 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.8 °F