Otter Island Weather Forecast
- 52
- 63
Mostly Cloudy
- 55
- 64
Partly Sunny
- 60
- 71
Partly Sunny
- 63
- 68
Partly Sunny
- 62
- 66
Chance Rain Showers
- 61
- 65
Rain Showers Likely
- 57
- 67
Slight Chance Rain Showers
Today 20 Aug Knox
Mostly cloudy. Highs in the lower 70s. Light and variable Winds.
Tonight 20 Aug Knox
Partly cloudy. Lows in the upper 40s. Light and variable Winds.
Otter Island Temperature Statistics
August Temperature
Rockland, Knox County Regional Airport (15.5 miles)
Lowest 2 August, 2025
48.9 °FAverage August
66.6 °FHighest 12 August, 2025
86 °F
Climate (2020–Present)
Rockland, Knox County Regional Airport (15.5 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
48 °FAverage High 2020–2025
55.3 °F