Plymouth Weather Forecast
- 49
- 79
Chance Rain Showers
- 50
- 77
Mostly Sunny
- 51
- 72
Chance Rain Showers
- 52
- 70
Rain Showers Likely
- 53
- 69
Chance Rain Showers
- 51
- 72
Chance Rain Showers
Today 30 Aug Southern Penobscot
Mostly sunny this Morning, then mostly cloudy with numerous Showers and scattered Thunderstorms this afternoon. Highs in the upper 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.
Tonight 30 Aug Southern Penobscot
Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then clear after midnight. Patchy fog. Lows around 50. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.
Plymouth Temperature Statistics
August Temperature
Bangor, Bangor International Airport (19.3 miles)
Lowest 15 August, 2026
49.6 °FAverage August
71.4 °FHighest 6 August, 2026
92.6 °F
Climate (2021–2026)
Bangor, Bangor International Airport (19.3 miles)
Average Low 2021–2026
37.2 °FAverage 2021–2026
47.2 °FAverage High 2021–2026
56.9 °F