Plymouth Weather Forecast
- 58
- 79
Rain Showers
- 57
- 69
Rain Showers Likely
- 58
- 77
Mostly Sunny
- 58
- 81
Chance Rain Showers
- 53
- 79
Chance Rain Showers
Today 16 Aug Southern Penobscot
Partly sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming southwest with Gusts up to 20 Mph this afternoon.
Tonight 16 Aug Southern Penobscot
Mostly cloudy. Scattered Showers after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Plymouth Temperature Statistics
August Temperature
Bangor, Bangor International Airport (19.3 miles)
Lowest 13 August, 2026
54.6 °FAverage August
73.4 °FHighest 6 August, 2026
92.6 °F
Climate (2021–2026)
Bangor, Bangor International Airport (19.3 miles)
Average Low 2021–2026
37.3 °FAverage 2021–2026
47.2 °FAverage High 2021–2026
56.9 °F