Port Clyde Weather Forecast
- 55
- 62
Rain Showers
- 53
- 67
Partly Sunny
- 54
- 65
Partly Sunny
- 55
- 64
Mostly Cloudy
- 50
- 69
Mostly Sunny
- 50
- 63
Mostly Sunny
Today 7 Sep Knox
Patchy fog this morning. Showers. Highs in the lower 60s. Light and variable Winds. Chance of rain 90 percent.
Tonight 7 Sep Knox
Cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows around 50. Light and variable Winds. Chance of rain 20 percent.
Port Clyde Temperature Statistics
September Temperature
Rockland, Knox County Regional Airport (12.4 miles)
Lowest 3 September, 2025
50 °FAverage September
61.7 °FHighest 1 September, 2025
75.9 °F
Climate (2020–Present)
Rockland, Knox County Regional Airport (12.4 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
48 °FAverage High 2020–2025
55.3 °F